{"title":"Trekking sleeping bag","description":"\u003cp\u003e\n  The selection covers all needs from summer trekking to winter \u003cb\u003ebivouacking\u003c\/b\u003e, with models featuring 650 to 800 cuin natural down filling. Comfort temperature and weight are the two central criteria for refining your choice according to your planned itinerary.\n\u003c\/p\u003e\n\n\u003ch2\u003eWeight and compressibility: the priorities for a trekking sleeping bag\u003c\/h2\u003e\n\n\u003cp\u003e\n  For self-supported \u003cb\u003ehiking\u003c\/b\u003e over several days, the weight of the sleeping bag represents a significant portion of the total load carried. An \u003cb\u003eultra-light sleeping bag\u003c\/b\u003e with 800 cuin down filling can achieve weights under 600 g for a comfort temperature of 0°C, whereas an equivalent synthetic model generally exceeds one kilogram. Compressibility follows the same logic: a \u003cb\u003ecompact down bag\u003c\/b\u003e with 800 cuin packs into 8 to 12 liters when compressed, freeing up precious space in a 35 to 45-liter backpack. For long-distance routes like the GR20 or the Tour du Mont-Blanc, an \u003cb\u003eultra-light trekking sleeping bag\u003c\/b\u003e under 700 g with a compressed volume of less than 12 liters is an achievable goal with 800 cuin filling. A \u003cb\u003elightweight warm sleeping bag\u003c\/b\u003e combines these two criteria without sacrificing the thermal range: high-density down filling is the only option that achieves this ratio in practice.\n\u003c\/p\u003e\n\n\u003ch3\u003eNatural or synthetic down for trekking in France?\u003c\/h3\u003e\n\n\u003cp\u003e\n  \u003cb\u003eTrekking down\u003c\/b\u003e with natural filling offers the best weight-to-insulation ratio for trips in dry conditions, typical of high-altitude bivouacs in the Alps and the Pyrenees in summer. Synthetic filling retains partial insulation in damp conditions, a real advantage for mountain ranges exposed to showers or during traverses with heavy nighttime condensation. For classic alpine routes in peak season, natural down is objectively more efficient in terms of weight and volume. For trips in mixed conditions or more humid regions, a model with hydrophobic down offers a relevant compromise. A detailed presentation of both types of filling based on the type of trip is available in the \u003ca href=\"\/en\/blogs\/infos\/garnissage-sac-de-couchage-duvet-ou-synthetique-selon-lusage\"\u003edown vs. synthetic guide\u003c\/a\u003e.\n\u003c\/p\u003e\n\n\u003ch2\u003eWhich comfort temperature should you choose for trekking and bivouacking?\u003c\/h2\u003e\n\n\u003cp\u003e\n  The choice of thermal range depends directly on the mountain ranges and seasons targeted. For summer bivouacs between 1,000 and 2,000 m in France, a \u003cb\u003ebivouac sleeping bag\u003c\/b\u003e with a comfort rating of +5°C to +11°C covers nights from June to August in the majority of situations. For spring to autumn trips above 1,500 m, a \u003ca href=\"\/en\/collections\/sac-de-couchage-0-degre\"\u003e0-degree sleeping bag\u003c\/a\u003e is the most versatile choice, covering nights down to -3°C with an appropriate sleeping pad. For late-season treks or for those who get cold easily and want a comfortable margin, a model with a comfort rating of \u003ca href=\"\/en\/collections\/sac-de-couchage-moins-5-degres\"\u003e-5°C\u003c\/a\u003e or \u003ca href=\"\/en\/collections\/sac-de-couchage-moins-10\"\u003e-10°C\u003c\/a\u003e is preferable. The rule of thumb: plan for a margin of 3 to 5°C compared to the coldest expected night, while taking the insulated sleeping pad into account (minimum R-value of 3 recommended for high-altitude bivouacs).\n\u003c\/p\u003e\n\n\u003ch3\u003e500 g ultra-light sleeping bag: what you need to know\u003c\/h3\u003e\n\n\u003cp\u003e\n  An \u003cb\u003eultra-light sleeping bag\u003c\/b\u003e under 500 g is achievable using 850 cuin down with 10-denier fabric, but it involves concrete compromises: a more fragile outer fabric, a thermal range generally limited to nights above +5°C, and reduced durability for frequent use. This format is intended for ultralight summer use, not as a versatile 3-season bag. For a more robust \u003cb\u003elightweight sleeping bag\u003c\/b\u003e with a thermal range down to 0°C, models between 700 g and 1 kg with 800 cuin down represent the best balance of daily use, durability, and thermal performance for a 3-season \u003cb\u003etrekking sleeping bag\u003c\/b\u003e.\n\u003c\/p\u003e","products":[{"product_id":"sac-de-couchage-0-degre-aegismax-m3","title":"0-degree sleeping bag | Aegismax M3","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 888 g (Regular) \/ 966 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 0 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -5 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eStandard:\u003c\/b\u003e ISO 23537\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800-fill-power white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e iFlex® 15D ripstop nylon with DWR water-repellent finish\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed volume:\u003c\/b\u003e 18 × 25 cm\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance-oriented 3-season lightweight sleeping bag\u003c\/h2\u003e\n\u003cp\u003eThe Aegismax M3 is aimed at demanding users looking for a \u003cstrong\u003e0-degree trekking sleeping bag\u003c\/strong\u003e under the one-kilogram mark. The certified comfort temperature ensures a restful sleep in spring or autumn, provided this bag is paired with an appropriate insulating sleeping pad to block heat loss through the ground. Its design limits body heat loss even when ambient humidity rises under your shelter.\u003c\/p\u003e\n\u003ch3\u003eBaffling and certified insulation\u003c\/h3\u003e\n\u003cp\u003eInternal baffles stabilize the 800-fill-power RDS-certified goose down, preventing the creation of cold spots at the shoulders and hips. The ISO 23537 standard ensures a transparent reading of the equipment's capabilities. The 15D nylon offers a strict balance between mechanical strength and minimal weight, ideal for optimizing space in a 40- to 50-liter backpack.\u003c\/p\u003e\n\u003cp\u003eConversely, if your budget is tighter and you are willing to accept a very slight weight increase by switching to duck down fill while still maintaining your 0°C nights, the \u003ca href=\"\/en\/products\/sac-de-couchage-0-degre-aegismax-d2\" title=\"View the Aegismax D2 duck down sleeping bag\"\u003eAegismax D2\u003c\/a\u003e model will prove to be a very relevant technical and financial choice.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"M3 \/ Regular (under 175cm)","offer_id":52581225922897,"sku":"14:29#M3-Regular;200007763:201336100","price":299.0,"currency_code":"EUR","in_stock":true},{"title":"M3 \/ Tall (over 175cm)","offer_id":52581225955665,"sku":"14:366#M3-Lengthen;200007763:201336100","price":309.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_aegismax_d3.webp?v=1767302132"},{"product_id":"sac-de-couchage-10-degre-aegismax-air","title":"10-degree (11°C) sleeping bag | Aegismax Air","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 438 g (Regular) \/ 480 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e +11 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e +6 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800-fill power white duck down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e DWR water-repellent 10D IFlex® ripstop nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed volume:\u003c\/b\u003e Ultra-compact (down to 1 L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e ISO 23537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eMinimalist sleeping bag for summer trekking\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax Air\u003c\/strong\u003e is aimed directly at enthusiasts of ultralight hiking and cycle touring. When you carry your gear for several days in the sun, every gram counts. This \u003cb\u003eultralight sleeping bag\u003c\/b\u003e provides a simple solution: eliminating the superfluous to keep only high-performance auxiliary insulation, perfectly suited for mild summer nights.\u003c\/p\u003e\n\u003ch3\u003eExtreme compactness and natural down\u003c\/h3\u003e\n\u003cp\u003eWith a weight under 500 grams and a \u003cb\u003ecompressed volume of one liter\u003c\/b\u003e, it takes up less space than a water bottle in your backpack. The snug mummy cut allows the interior to warm up very quickly. The use of \u003cb\u003e800-fill power RDS-certified down\u003c\/b\u003e ensures gentle warmth in the early morning, while the \u003cb\u003e10D ripstop fabric\u003c\/b\u003e protects against light dew if you choose to sleep under the stars.\u003c\/p\u003e\n\u003cp\u003eIf you wish to maintain this formidable summer compactness but prefer the insulation and durability of premium goose down fill, the \u003ca href=\"\/en\/products\/sac-de-couchage-10-degres-aegismax-air-e\" title=\"Discover the Aegismax Air-E with goose down\"\u003eAegismax Air-E\u003c\/a\u003e version will meet your expectations exactly.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Long (up to 190cm)","offer_id":52581254168913,"sku":"14:366#Lengthen","price":189.0,"currency_code":"EUR","in_stock":true},{"title":"Regular (up to 175cm)","offer_id":52581254201681,"sku":"14:29#Regular","price":179.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_aegismax.webp?v=1767301373"},{"product_id":"sac-de-couchage-0-degre-aegismax-d2","title":"0-degree sleeping bag | Aegismax D2","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,006 g (Regular) \/ 1,078 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e 196 × 78 cm (Regular) \/ 216 × 82 cm (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 0 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -5 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThermal standard\u003c\/strong\u003e: EN 13537\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e 650 cuin duck down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e DWR water-repellent iFlex® 15D nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed volume:\u003c\/b\u003e 18 × 30 cm\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003eFor those looking for slightly higher insulation with a 700 cuin fill power at a similar weight of around one kilo, the \u003ca href=\"\/en\/products\/sac-de-couchage-0-degre-flames-creed-20d\" title=\"Discover the Flame's Creed 20D\"\u003eFlame's Creed 20D\u003c\/a\u003e sleeping bag positions itself as a very serious direct competitor.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Up to 190cm","offer_id":52581262721361,"sku":"14:175#D2 L Blue","price":309.0,"currency_code":"EUR","in_stock":true},{"title":"Up to 178cm","offer_id":52581262950737,"sku":"14:496#D2 M Blue","price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_D2_02.webp?v=1774706971"},{"product_id":"sac-de-couchage-0-degre-widesea-ds13","title":"5-degree sleeping bag | Widesea DS13","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 720 g (M) \/ 775 g (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 5 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e 0 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800 FP white duck down\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 15D 400T water-repellent nylon\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003e3-season sleeping bag focused on compactness and lightness\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWidesea DS13 5-degree sleeping bag\u003c\/strong\u003e is aimed at hikers who refuse to be weighed down but who need reliable thermal insulation for mid-season nights. With a weight of around 700 grams, it helps keep your backpack agile and balanced. Its contoured cut reduces empty space inside the bag, which speeds up the temperature rise generated by your body heat from the first few minutes of rest.\u003c\/p\u003e\n\u003ch3\u003eInsulation\/weight ratio and water-repellent protection\u003c\/h3\u003e\n\u003cp\u003eThe use of natural \u003cb\u003e800 FP (Fill Power) down\u003c\/b\u003e filling ensures excellent loft while offering incredible compressibility when it's time to pack up camp in the morning. The \u003cb\u003e15D nylon\u003c\/b\u003e outer shell is treated to resist nightly condensation. It is a \u003cb\u003elightweight sleeping bag\u003c\/b\u003e that provides peace of mind for regular trekking. If you are instead planning nights of static camping where weight is not an issue and you prefer a moisture-tolerant synthetic filling, the \u003ca href=\"\/en\/products\/sac-de-couchage-5-degres-naturehike-mj300\" title=\"Discover the Naturehike MJ300 synthetic sleeping bag\"\u003eNaturehike MJ300\u003c\/a\u003e will be a perfectly suitable alternative.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"DS13 \/ L","offer_id":52581285986641,"sku":"14:496#Contains 350g Fill;200007763:201336100","price":259.0,"currency_code":"EUR","in_stock":true},{"title":"DS13 \/ M","offer_id":52581286019409,"sku":"14:193#Contains 300g Fill;200007763:201336100","price":249.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_widesea.webp?v=1767132444"},{"product_id":"sac-de-couchage-0-degre-flames-creed-20d","title":"0-degree sleeping bag | FLAME'S CREED 20D","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,050 g (M) \/ 1,130 g (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e 205 × 81 cm (M) \/ 210 × 83 cm (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 0°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -10°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 700 cuin duck down\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D Nylon\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eRobust thermal protection for demanding treks\u003c\/h2\u003e\n\u003cp\u003eThe Flame's Creed 20D is structured to face real-world terrain conditions without extra fragility. This \u003cstrong\u003e0-degree sleeping bag\u003c\/strong\u003e prioritizes mechanical resistance and thermal reliability. The limit of -10°C indicates an extreme safety threshold, with the comfort temperature of 0°C remaining the reference value for use. The performance of this fill will depend directly on your ground insulation and the absence of drafts in the tent.\u003c\/p\u003e\n\u003ch3\u003eAbrasion resistance and thermal consistency\u003c\/h3\u003e\n\u003cp\u003eThe 20D nylon outer fabric handles friction against rocky ground or surrounding equipment better than ultra-light models, reducing the risk of tearing. The 700 cuin duck down offers an insulation-to-volume ratio that is highly relevant for regular use. The smooth zippers and internal draft collar block cold air entry with great technical precision.\u003c\/p\u003e\n\u003cp\u003eIf you prefer spending your nights static camping or in a van where weight is not an issue, and you prefer the moisture tolerance of a synthetic fill in a rectangular format, the \u003ca href=\"\/en\/products\/sac-de-couchage-0-degre-naturehike-u250s-2\" title=\"Discover the Naturehike U250S synthetic sleeping bag\"\u003eNaturehike U250S\u003c\/a\u003e will be the ideal piece of equipment for maximum spatial and thermal comfort.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"L","offer_id":52581835473233,"sku":"14:366#L Green","price":199.0,"currency_code":"EUR","in_stock":true},{"title":"M","offer_id":52581835506001,"sku":"14:29#M Green","price":199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_flame_s_creed_20d.webp?v=1767131554"},{"product_id":"sac-de-couchage-moins-10-naturehike-sp1000","title":"Sleeping bag -10 degrees (-10.8°C) | Naturehike SP1000","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,650 g (M) \/ 1,720 g (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e -10.8°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -18.6°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e GB\/T 38426-2019\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e 650 cuin duck down\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e Water-repellent 20D nylon\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eThe thermal shield for long winter nights\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike SP1000 extreme cold sleeping bag\u003c\/strong\u003e is designed for hikers facing environments where frost is a constant. Safety during winter bivouacking requires the ability to fully recover. This model relies on a robust structure and a generous amount of filling to stop heat loss in its tracks, creating a protective cocoon that is immediately noticeable as soon as you zip it up.\u003c\/p\u003e\n\u003ch3\u003eAirflow locking and ergonomic footbox\u003c\/h3\u003e\n\u003cp\u003eThe effectiveness of this \u003cb\u003ewinter sleeping bag\u003c\/b\u003e relies on its insulation details: wide draft tubes run along the main zipper, and a massive thermal collar prevents warm air from escaping from the upper chest. The \u003cb\u003e650 cuin duck down\u003c\/b\u003e ensures even heating. The \u003cb\u003e3D footbox\u003c\/b\u003e provides the necessary space for your feet without compressing the down. The outer \u003cb\u003e20D nylon\u003c\/b\u003e stands up without flinching to the harsh life inside a tent in cold weather.\u003c\/p\u003e\n\u003cp\u003eHowever, if the winter season is coming to an end and you are looking instead to equip yourself for mild to cool spring and summer nights with an ultra-minimalist carrying philosophy, the profile of the \u003ca title=\"See the 3-season Aegismax Mini model\" href=\"\/en\/products\/sac-de-couchage-10-degre-aegismax-mini\"\u003eAegismax Mini\u003c\/a\u003e will be the ideal starting point to lighten your pack.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"L","offer_id":52587868520785,"sku":"14:200006153#SP1000 L Brown","price":359.0,"currency_code":"EUR","in_stock":true},{"title":"M","offer_id":52587868651857,"sku":"14:193#SP1000 M Brown","price":359.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_-10_degr_s_naturehike.webp?v=1767131134"},{"product_id":"sac-de-couchage-10-degres-naturehike-cw280","title":"10-degree (11°C) sleeping bag | Naturehike CW280","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 550 g\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 10.9 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e 6.8 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e ISO 23537\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800 cuin white duck down (280 g)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D Nylon (soft to the touch)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompactness:\u003c\/b\u003e Very low volume\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eLightweight and versatile sleeping gear for the summer season\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike CW280\u003c\/strong\u003e is designed to make life easier for summer hikers. Forget bulky, cumbersome sleeping bags: this model is completely unnoticeable while hiking and provides very pleasant warmth for nights in the plains or at mid-altitude during the summer. It is an \u003cb\u003eultra-lightweight sleeping bag\u003c\/b\u003e designed for ease of use, ideal for those starting out with bivouacking or looking to lighten their current gear.\u003c\/p\u003e\n\u003ch3\u003eBreathable fabric and thermal versatility\u003c\/h3\u003e\n\u003cp\u003eThe major advantage of this bag lies in its \u003cb\u003etwo-way zipper\u003c\/b\u003e. If it gets too hot, you can open the bottom to air out your feet, or open it completely to use it as a simple \u003cb\u003ecamping blanket\u003c\/b\u003e. The \u003cb\u003e20D nylon fabric\u003c\/b\u003e was selected for its high breathability and soft feel against the skin, offering optimal \u003cb\u003esleeping comfort\u003c\/b\u003e after a day of effort, without the \"plastic\" feel of entry-level models.\u003c\/p\u003e\n\u003cp\u003eIf you wish to extend your bivouac season into cooler nights (around 5°C) and prefer a contoured fit to better retain body heat rather than a blanket shape, the \u003ca title=\"Discover the Widesea DS13 sleeping bag\" href=\"\/en\/products\/sac-de-couchage-0-degre-widesea-ds13\"\u003eWidesea DS13\u003c\/a\u003e sleeping bag would be the ideal next step for just a few extra grams.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Blue","offer_id":52587881693521,"sku":"14:366#CW280 650 Duck down","price":139.0,"currency_code":"EUR","in_stock":true},{"title":"White","offer_id":52587881759057,"sku":"14:29#CW280 650 Duck down","price":139.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_duvet_10_degr_s_naturehike_cw280_2.webp?v=1767130791"},{"product_id":"sac-de-couchage-trekking-naturehike-sp400","title":"5-degree (3.8°C) sleeping bag | Naturehike SP400","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 820 g (M) \/ 856 g (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 3.8 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -1.4 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e 650 cuin duck down (400 g) RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D water-repellent nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eSize:\u003c\/b\u003e 190 cm (M) \/ 205 cm (L)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eLightweight sleeping gear for hiking and mid-mountain treks\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike SP400 5-degree sleeping bag\u003c\/strong\u003e is structured for hikers seeking the perfect balance between reassuring warmth and lightweight design. By incorporating 400 grams of natural filling while staying under the one-kilo mark, this model ensures a restful sleep during spring and autumn bivouacs, where strictly summer equipment would reach its limits in the early morning.\u003c\/p\u003e\n\u003ch3\u003eSecure thermal design and certified down\u003c\/h3\u003e\n\u003cp\u003eThe inclusion of a \u003cb\u003ewindproof thermal collar\u003c\/b\u003e and a 3D footbox (expanded space for the feet) demonstrates a serious design aimed at blocking cold air infiltration. The filling uses \u003cb\u003e650 cuin RDS-certified down\u003c\/b\u003e, ensuring traceability and lasting thermal resilience. This \u003cb\u003ehiking sleeping bag\u003c\/b\u003e is a versatile ally. However, for trekkers on purely summer routes where every gram counts, an ultra-compact option without a hood, such as the \u003ca href=\"\/en\/products\/sac-de-couchage-trekking-10-degres-aegismax-nano\" title=\"Discover the ultra-compact Aegismax Nano\"\u003eAegismax Nano\u003c\/a\u003e, will allow for even greater savings in carry volume.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"M","offer_id":52587898536273,"sku":"14:366#SP400 M Brown","price":189.0,"currency_code":"EUR","in_stock":true},{"title":"L","offer_id":52587898667345,"sku":"14:200002984#SP400 L Brown","price":189.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_5_degr_s_naturehike_sp400.webp?v=1767129832"},{"product_id":"sac-de-couchage-10-degres-aegismax-air-e","title":"10 Degree Sleeping Bag (11°C) | Aegismax Air-E","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 508 g \/ 584 g (depending on version)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e 200 × 80 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e +11 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e +6 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e ISO 13537\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800 cuin white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFabric:\u003c\/b\u003e Lightweight nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eShape:\u003c\/b\u003e Envelope (rectangular)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eFreedom of movement for summer nights\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax Air-E\u003c\/strong\u003e is the perfect solution for those who like to camp light but hate feeling confined in a mummy bag. This \u003cb\u003eenvelope sleeping bag\u003c\/b\u003e provides plenty of room from the shoulders down to the feet. Filled with \u003cb\u003e800 cuin RDS-certified goose down\u003c\/b\u003e, it is ideal for relaxed summer bivouacs, nights in mountain huts, or touring trips where nighttime comfort means above all the \u003cb\u003efreedom to change positions\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch3\u003eVersatile use and extra insulation\u003c\/h3\u003e\n\u003cp\u003eThanks to its rectangular cut, this model manages temperature fluctuations very well: it can be opened wide if the night is warm, or used as an \u003cb\u003eextra quilt\u003c\/b\u003e. The \u003cb\u003eindependent down baffles\u003c\/b\u003e keep the goose down securely in place to prevent cold spots. It is a \u003cb\u003ecompact piece of equipment\u003c\/b\u003e that is easy to live with, simplifying the organization of your nature trips.\u003c\/p\u003e\n\u003cp\u003eTo wrap up our summer equipment, if you are looking for a model offering fabric that is particularly soft to the touch and total modularity by transforming into a blanket, the \u003ca href=\"\/en\/products\/sac-de-couchage-10-degres-naturehike-cw280\" title=\"See the Naturehike CW280\"\u003eNaturehike CW280\u003c\/a\u003e will give you great freedom of movement in the tent.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Air-E \/ Regular (under 175cm)","offer_id":52615468384593,"sku":"14:10#AIR-E Regular;200007763:201441035","price":179.0,"currency_code":"EUR","in_stock":true},{"title":"Air-E \/ Tall (under 185cm)","offer_id":52615468417361,"sku":"14:200002984#AIR-E Lengthen;200007763:201441035","price":179.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_air-e_aegismax.webp?v=1767034433"},{"product_id":"sac-de-couchage-trekking-saisons-blacksnow","title":"0-degree trekking sleeping bag | Blacksnow","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,150 g\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e 210 × 80 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 0 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -5 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e 800 cuin white goose down (700 g)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D 400T water-repellent ripstop nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eMaximum height:\u003c\/b\u003e 185 cm\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eThe versatility standard for mid-season trekking\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlack Snow down sleeping bag\u003c\/strong\u003e is structured for hikers who refuse to carry multiple pieces of equipment depending on the season. With a comfort temperature at freezing point, it offers the thermal safety margin needed to face cool nights from spring through to autumn bivouacs. It is a pragmatic \u003cb\u003e3-season sleeping bag\u003c\/b\u003e, whose weight of just over 1 kilo is justified by the high density of its filling, ensuring constant warmth even when the fatigue of the hike sets in.\u003c\/p\u003e\n\u003ch3\u003eHeat retention and ripstop shell\u003c\/h3\u003e\n\u003cp\u003eThe injection of 700 grams of \u003cb\u003e800 cuin goose down\u003c\/b\u003e into a fitted mummy cut helps limit dead air inside the bag. The anatomical footbox prevents down compression around the toes. The \u003cb\u003e20D ripstop nylon\u003c\/b\u003e exterior handles the wear and tear of tent life well and incorporates an effective water-repellent treatment against nighttime condensation. For hikers seeking this same 0°C thermal range but who feel too confined in a strict mummy cut, the hybrid design of the \u003ca title=\"See the Naturehike CW700 hybrid model\" href=\"\/en\/products\/sac-de-couchage-trekking-0-degre-naturehike-cw700\"\u003eNaturehike CW700\u003c\/a\u003e will offer significantly greater freedom of movement.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Green","offer_id":52824198349137,"sku":"14:193#1150g green","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_blacksnow_0_degr_s.webp?v=1769206033"},{"product_id":"sac-de-couchage-trekking-5-degres-blacksnow","title":"-5 degree trekking sleeping bag | Blacksnow","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,450 g\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e 210 × 80 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e -5 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -10 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800 cuin white goose down (1,000 g)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e Water-repellent 20D 400T nylon\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eMassive insulation for trekking in freezing conditions\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlack Snow -5°C down sleeping bag\u003c\/strong\u003e is designed for the harshness of cold-weather expeditions, where gear is put to the test and compressed day after day. It features nearly a kilo of natural down, a massive amount that ensures the thermal barrier won't collapse in the middle of the night. This \u003cb\u003ewinter down bag\u003c\/b\u003e allows the body to stop fighting the cold immediately and focus on metabolic recovery.\u003c\/p\u003e\n\u003ch3\u003eDown resilience and ripstop protection\u003c\/h3\u003e\n\u003cp\u003eThe generous use of \u003cb\u003e800 cuin goose down\u003c\/b\u003e provides remarkable insulating thickness that is highly resilient to daily compression in the stuff sack. The footbox is reinforced to prevent the feet from crushing the insulation. The \u003cb\u003ehigh-density 400T nylon\u003c\/b\u003e shell acts as a formidable windbreaker and effectively repels the frost or condensation that often forms on tent walls. \u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Black","offer_id":52833783546193,"sku":"14:200006152#1450g  black","price":149.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_blacksnow.webp?v=1769205782"},{"product_id":"sac-de-couchage-trekking-10-degres-aegismax-nano","title":"10-degree trekking sleeping bag | Aegismax Nano","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 544 g (Regular) \/ 612 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 10 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e 5 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e EN 13537\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 700 cuin ultra-dry white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D ripstop nylon with DWR water-repellent finish\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eMinimalist gear for long summer traverses\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax Nano\u003c\/strong\u003e is designed for ultralight hiking (ULH) enthusiasts tackling long days of walking in mild temperatures. The goal of this \u003cb\u003eultra-compact sleeping bag\u003c\/b\u003e is not to combat extreme cold, but to provide just the right amount of insulation for the body to recover without carrying unnecessary bulk. Insulation is intelligently concentrated on the torso, while the rest of the bag is lightened to optimize overall weight.\u003c\/p\u003e\n\u003ch3\u003eHydrophobic down and extreme compressibility\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e700 cuin RDS-certified goose down\u003c\/b\u003e fill benefits from an ultra-dry treatment, delaying down collapse in damp conditions. Protected by a sturdy \u003cb\u003e20D ripstop nylon\u003c\/b\u003e, this model easily withstands nights under the stars or under a simple tarp. It is the quintessential \u003cb\u003etrekking sleeping bag\u003c\/b\u003e for summer.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Nano \/ Long (under 200cm)","offer_id":52833852064081,"sku":"14:365016#NANO-Purple-Lengthen;200007763:201336100","price":189.0,"currency_code":"EUR","in_stock":true},{"title":"Nano \/ Regular (under 175cm)","offer_id":52833852096849,"sku":"14:200006153#NANO-Purple-Regular;200007763:201336100","price":189.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_NANO_01.webp?v=1774708193"},{"product_id":"sac-de-couchage-trekking-aegismax-leto","title":"5-degree (7°C) trekking sleeping bag | Aegismax Leto","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eMaterial:\u003c\/b\u003e water-repellent (DWR) 20D ripstop nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e approx. 642 g (Regular) \/ 706 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e 700 cuin ultra-dry white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e +7 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e +2 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eSize:\u003c\/b\u003e Standard (≤ 175 cm) \/ Long (≥ 185 cm)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eTrekking down sleeping bag for three-season hiking and high-altitude bivouacking\u003c\/h2\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003etrekking\u003c\/strong\u003e, this model meets the demands of long-distance hiking where every gram counts: \u003cb\u003e5-degree sleeping bag\u003c\/b\u003e, \u003cb\u003emid-season down bag\u003c\/b\u003e, \u003cb\u003econtrolled weight\u003c\/b\u003e (approx. 642 g (Regular) \/ 706 g (Long)). The comfort temperature of \u003cb\u003e+7 °C\u003c\/b\u003e is suitable for \u003cb\u003espring bivouacking\u003c\/b\u003e in the Alps or Pyrenees between 1,500 and 2,500 m, with the possibility of pushing toward the \u003cb\u003elimit temperature of +2 °C\u003c\/b\u003e for those accustomed to cool nights.\u003c\/p\u003e\n\u003ch3\u003eOptimized warmth-to-weight ratio for long-distance hiking\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003ebaffled construction\u003c\/b\u003e keeps the 700 cuin RDS-certified down in place even after several days of being compressed in a backpack. The \u003cb\u003eadjustable hood\u003c\/b\u003e and \u003cb\u003ethermal collar\u003c\/b\u003e retain heat at the end of the night, when temperatures often drop lower than expected. The \u003cb\u003ecompressed volume\u003c\/b\u003e makes it easy to pack into a trekking bag. For \u003cb\u003eautumn hiking\u003c\/b\u003e and \u003cb\u003emulti-day trekking sleeping bags\u003c\/b\u003e, this model finds the balance between \u003cb\u003econtrolled weight\u003c\/b\u003e and \u003cb\u003estable insulation\u003c\/b\u003e.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Leto \/ Standard","offer_id":52833986511185,"sku":"14:10#LETO-Green-Regular;200007763:201336100","price":199.0,"currency_code":"EUR","in_stock":true},{"title":"Leto \/ Lying down","offer_id":52833986543953,"sku":"14:200002984#LETO-Green-Lengthen;200007763:201336100","price":209.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_LETO_03.webp?v=1774707896"},{"product_id":"sac-de-couchage-trekking-0-degre-naturehike-cw700","title":"0-Degree (-1.7°C) Trekking Sleeping Bag | Naturehike CW700","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,070 g (M) \/ 1,310 g (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e -1.7 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -7.9 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e RDS-certified 650 cuin duck down (700 g)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D 400T water-repellent ripstop nylon\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003e0-degree semi-rectangular sleeping bag: usage and real-world conditions\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike CW700 sleeping bag\u003c\/strong\u003e features a fit that is tapered at the shoulders and wider in the lower half. This geometry reduces the volume of air to be heated around the torso while leaving room to bend the legs while sleeping. The comfort temperature is -1.7°C — a value measured in the laboratory according to the ISO 23537 standard, using an insulating mat, long underwear, and the hood closed. In real-world conditions without this equipment, allow for a margin of 3 to 5°C.\u003c\/p\u003e\n\n\u003ch3\u003eRDS-certified 650 cuin down: what the certification covers\u003c\/h3\u003e\n\u003cp\u003eThe RDS (Responsible Down Standard) certified \u003cb\u003e650 cuin duck down\u003c\/b\u003e guarantees the traceability of the down supply chain — not the thermal performance of the filling. 650 cuin is lower than the 800 cuin found in certain models in the range: for equal mass, the loft power is lower, which translates to a higher weight (1,070 g) to reach the same temperature range. The \u003cb\u003e20D ripstop\u003c\/b\u003e fabric with DWR water-repellent treatment offers resistance to light dew, but provides no protection in the event of sustained rain. For users who prefer a more favorable weight\/insulation ratio for the same temperature range, the \u003ca href=\"\/en\/products\/sac-de-couchage-trekking-0-degre-aegismax-g2\" title=\"Aegismax G2 0 degree\"\u003eAegismax G2\u003c\/a\u003e reaches -2°C comfort for a lower weight with 800 cuin filling.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"M","offer_id":52834133049681,"sku":"14:496#Duck down M Black","price":249.0,"currency_code":"EUR","in_stock":true},{"title":"L","offer_id":52834133082449,"sku":"14:175#Duck down L Black","price":259.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_duvet_0_degr_confort_naturehike_cw700.webp?v=1767119732"},{"product_id":"sac-de-couchage-trekking-10-aegismax-g3","title":"Trekking sleeping bag -10 (-8°C) | Aegismax G3","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,350 g (Regular) \/ 1,434 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e -8 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -15 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e 800 cuin white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 15D IFlex® nylon with DWR water-repellent finish\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed volume:\u003c\/b\u003e 4.5 L\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e EN 13537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eExpedition sleeping bag for winter trekking\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax G3\u003c\/strong\u003e is a cornerstone for those facing consistently sub-zero temperatures. When the thermometer drops below -5°C, a \u003cb\u003ewinter sleeping bag\u003c\/b\u003e becomes the most critical safety element of your gear. This model ensures complete physiological recovery by drastically blocking body heat loss, allowing you to set off again clear-headed and rested the next day.\u003c\/p\u003e\n\u003ch3\u003eStrict compartmentation and loft retention\u003c\/h3\u003e\n\u003cp\u003eThe thermal performance of this bag relies on its \u003cb\u003e800 cuin RDS-certified goose down\u003c\/b\u003e, stabilized by a complex baffle construction. This engineering prevents the insulating material from shifting to the bottom of the bag, ensuring constant thickness across the torso and legs. Despite its ability to insulate down to -8°C, the \u003cb\u003e15D IFlex®\u003c\/b\u003e fabric allows for an astonishing 4.5-liter compression, preserving the balance of your backpack.\u003c\/p\u003e\n\u003cp\u003eIn the event that you are setting up a fixed base camp or a vehicle-supported bivouac with no weight constraints, where moisture-tolerant synthetic insulation is preferred, the robust alternative of the \u003ca title=\"See the Naturehike MJ600 synthetic model\" href=\"\/en\/products\/sac-de-couchage-moins-5-naturehike-mj600\"\u003eNaturehike MJ600\u003c\/a\u003e deserves your attention.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"G3 \/ Long (up to 196cm)","offer_id":52834168078673,"sku":"14:200003699#G3-black-Lengthen.;200007763:201336100","price":459.0,"currency_code":"EUR","in_stock":true},{"title":"G3 \/ Regular (up to 176cm)","offer_id":52834168176977,"sku":"14:100018786#G3-black-Regular.;200007763:201336100","price":439.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_G3_02.webp?v=1774707724"},{"product_id":"sac-de-couchage-trekking-0-degre-aegismax-g2","title":"0-degree (-2°) trekking sleeping bag | Aegismax G2","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,052 g (Regular) \/ 1,124 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e -2 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -8 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800-fill power white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e Water-repellent 15D IFlex® nylon with DWR\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed volume:\u003c\/b\u003e 3.3 L\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e EN 13537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eThermal performance and compressibility for thru-hiking\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax G2\u003c\/strong\u003e is a technical tool for hikers extending their walking season into the edge of winter. With a certified \u003cb\u003enegative comfort temperature\u003c\/b\u003e, it ensures a secure sleep without imposing the burden of expedition gear. The goal is to maintain a balanced pack weight while guaranteeing rapid warming of the interior as soon as the zip is closed, a major asset for \u003cb\u003ecold bivouacs\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch3\u003ePremium loft and fill stabilization\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e800-fill power RDS-certified goose down\u003c\/b\u003e is stabilized by rigorous internal baffles, preventing the insulation from shifting to the bottom of the bag during the night. This structure eliminates cold spots. Its compressed volume of only 3.3 liters frees up considerable space in your backpack. The \u003cb\u003e15D IFlex®\u003c\/b\u003e shell manages internal condensation perfectly. For hikers facing even harsher conditions requiring a reinforced thermal barrier below -5°C, the robustness of the \u003ca href=\"\/en\/products\/sac-de-couchage-trekking-5-degres-blacksnow\" title=\"See the Black Snow -5°C sleeping bag\"\u003eBlack Snow -5°C\u003c\/a\u003e would logically be the next step.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"G2 \/ Long (up to 196cm)","offer_id":52834517549393,"sku":"14:200006153#G2-black-Lengthen.;200007763:201336100","price":349.0,"currency_code":"EUR","in_stock":true},{"title":"G2 \/ Regular (up to 176cm)","offer_id":52834517582161,"sku":"14:200006152#G2-black-Regular.;200007763:201336100","price":339.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_G2_01.webp?v=1774707501"},{"product_id":"sac-de-couchage-trekking-10-degres-aegismax-mini","title":"10-degree (11°C) trekking sleeping bag | Aegismax MINI","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 440 g (Regular) \/ 560 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e +11 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e +6 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800-fill power white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D iFlex® nylon with DWR water-repellent finish\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003ePacked size:\u003c\/b\u003e 20 × 12 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e EN 13537 \u0026amp; ISO 23537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eHoodless trekking sleeping bag: usage and real-world conditions\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax Mini trekking sleeping bag\u003c\/strong\u003e is designed without a hood, a design choice that reduces the weight to 440 g (Regular) and the packed volume to 20 × 12 cm. This format is well-suited for summer outings where nighttime temperatures remain around 10-15°C and where portability is prioritized over thermal margin. It is not suitable for nights below 6°C (limit temperature) without additional clothing.\u003c\/p\u003e\n\u003ch3\u003e800-fill power down: what it means in practice\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e800-fill power RDS-certified white goose down\u003c\/b\u003e indicates the loft of the fill: one ounce of down occupies 800 cubic inches once fully lofted. For an equivalent mass, an 800-fill power down provides more insulation than 650-fill power and compresses into a smaller volume. The \u003cb\u003e20D iFlex® nylon\u003c\/b\u003e shell with a DWR finish offers light resistance to morning dew, without guaranteeing waterproofing in the event of prolonged rain. For users seeking the same compressibility with an integrated hood and a broader thermal range of 7°C comfort, the \u003ca title=\"Aegismax Leto with hood\" href=\"\/en\/products\/sac-de-couchage-trekking-aegismax-leto\"\u003eAegismax Leto\u003c\/a\u003e is the model to compare.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"MINI \/ Tall (over 175cm)","offer_id":52839432651089,"sku":"14:366#MINI Green Lengthen;200007763:201336100","price":189.0,"currency_code":"EUR","in_stock":true},{"title":"MINI \/ Regular (under 175cm)","offer_id":52839432683857,"sku":"14:29#MINI Green Regular;200007763:201336100","price":179.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_aegismax_mini.webp?v=1767302604"},{"product_id":"sac-de-couchage-quilt-trek-aegismax-wind-hard-twilight","title":"Trek Quilt sleeping bag | Aegismax Wind Hard Twilight","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eType:\u003c\/b\u003e Down quilt (backless and hoodless)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 509 g (Regular) \/ 584 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 0°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -5°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFill:\u003c\/b\u003e 800 cuin white goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 10D IFlex® Nylon with DWR water-repellent finish\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e ISO 23537 \u0026amp; EN 13537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eMinimalist backless sleeping system for ultralight trekking\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax Wind Hard Twilight down quilt\u003c\/strong\u003e is a radical solution for trekkers looking to optimize every gram of their gear. By removing the back panel (which is unnecessary as down loses its insulating power when compressed under body weight) and the hood, this model drastically reduces bulk. It attaches directly to your sleeping pad, which takes over to block the cold from the ground during your \u003cb\u003e3-season bivouac\u003c\/b\u003e nights.\u003c\/p\u003e\n\u003ch3\u003eSleeping pad attachment and targeted insulation\u003c\/h3\u003e\n\u003cp\u003eThis modular system relies on premium \u003cb\u003e800 cuin RDS-certified goose down\u003c\/b\u003e insulation, ensuring near-instant warmth around your body. The retention straps prevent cold air from entering when you move, and the trapezoidal footbox locks in heat at your feet. The \u003cb\u003e10D IFlex® fabric\u003c\/b\u003e is extremely thin and requires careful handling, but it offers unparalleled \u003cb\u003eweight savings\u003c\/b\u003e. If the \"quilt\" approach seems too extreme for you and you prefer the secure closure of a classic mummy bag while maintaining excellent versatility, the \u003ca title=\"Discover the Black Snow 1150g trekking sleeping bag\" href=\"\/en\/products\/sac-de-couchage-trekking-saisons-blacksnow\"\u003eBlack Snow 0 degree\u003c\/a\u003e will perfectly meet that need.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Wind Hard Twilight \/ Tall (185cm)","offer_id":52894961369425,"sku":"14:1063#Twilight-Green-L;200007763:201336100","price":249.0,"currency_code":"EUR","in_stock":true},{"title":"Wind Hard Twilight \/ Regular (175cm)","offer_id":52894961402193,"sku":"14:175#Twilight-Green-R;200007763:201336100","price":229.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_quilt_0_degr_aegismax.webp?v=1767118322"},{"product_id":"sac-de-couchage-trekking-5-degre-aegismax-g1","title":"5-degree (3°C) trekking sleeping bag | Aegismax G1","description":"\u003ch2\u003eTechnical specifications:\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 762 g (Regular) \/ 818 g (Long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePacked size:\u003c\/strong\u003e 15 x 28 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCompressed volume:\u003c\/strong\u003e 6 L (Regular)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCompression bag:\u003c\/strong\u003e XS 40 g included + mesh storage sack\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFill:\u003c\/strong\u003e 800 cuin Lofty white goose down, RDS certified, 60\/40 ratio\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOuter fabric:\u003c\/strong\u003e iFlex® 15D nylon with DWR water-repellent treatment\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLining:\u003c\/strong\u003e iFlex® 15D Touch soft nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComfort temperature:\u003c\/strong\u003e +3°C \u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLimit temperature:\u003c\/strong\u003e -2°C (EN 13537 standard)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThermal standard:\u003c\/strong\u003e EN 13537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003e800 cuin ultralight trekking sleeping bag for 3-season bivouacs\u003c\/h2\u003e\n\u003cp\u003eOn a multi-day route, the choice of a \u003cstrong\u003etrekking sleeping bag\u003c\/strong\u003e relies on three variables: net weight, fill power, and reliability of the thermal construction. The Aegismax G1 responds with \u003cb\u003eRDS-certified 800 cuin Lofty white goose down\u003c\/b\u003e fill in a 60\/40 ratio, a weight of 762 g in Regular, and a box-baffle construction with mesh walls that eliminates cold spots by maintaining loft without side compression. The EN 13537 temperature range indicates comfort at +3°C, a limit at -2°C, and an extreme at -18°C (theoretical survival threshold). These values are measured in a laboratory: a sleeping pad with low thermal resistance or a damp night will shift the feeling towards the cold.\u003c\/p\u003e\n\u003ch3\u003eThermal construction optimized for touring\u003c\/h3\u003e\n\u003cp\u003eThe 4-chamber hood with dual drawcords maintains loft around the head, a critical zone on \u003cb\u003eultralight sleeping bags\u003c\/b\u003e. The tubular draft tube running along the \u003cb\u003etwo-way YKK #5 zipper\u003c\/b\u003e blocks cold air infiltration. The anatomical 3D footbox preserves the volume of the fill around the feet. The \u003cb\u003eiFlex® 15D Touch\u003c\/b\u003e lining improves comfort while \u003cb\u003ebivouacking\u003c\/b\u003e without adding weight.\u003c\/p\u003e\n\u003ch3\u003eCompressibility and versatility for trekking\u003c\/h3\u003e\n\u003cp\u003eCompressed in its 40 g XS bag, the G1 reaches 6 L in Regular. An \u003cb\u003e800 cuin\u003c\/b\u003e rating allows for quick loft recovery after compression. The Long version (818 g) fits up to 185 cm. Regular and Long versions can be zipped together. For a \u003cb\u003etrekking down bag\u003c\/b\u003e in dry conditions over three to five days, this construction\/weight ratio makes for a strong argument in this price range.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"G1 \/ Black - Long (up to 196cm)","offer_id":53173004894545,"sku":"14:173#G1-black-Lengthen.;200007763:201336100","price":249.0,"currency_code":"EUR","in_stock":true},{"title":"G1 \/ Black - Regular (up to 176cm)","offer_id":53173004927313,"sku":"14:175#G1-black-Regular.;200007763:201336100","price":239.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_aegismax_d1.webp?v=1767304730"},{"product_id":"sac-de-couchage-trekking-mg120-naturehike","title":"Trekking sleeping bag 5°C | Naturehike MG120","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 670 g (M) \/ 740 g (L) \/ 820 g (XL)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e +5 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e 0 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e SUNDOUCE Gold synthetic fibers — 60 g\/m² double layer\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e 20D 380T nylon — fluorine-free water-repellent treatment (GRS certified)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eUnfolded dimensions:\u003c\/b\u003e M: 75 × 190 cm \/ L: 80 × 205 cm \/ XL: 85 × 220 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed dimensions:\u003c\/b\u003e M: 18×15×30 cm \/ L: 19×16×32 cm \/ XL: 19×16×34 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eThermal standard:\u003c\/b\u003e GB\/T 38426-2019 \/ ISO 23537\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCertifications:\u003c\/b\u003e GRS (recycled fabric), GB 18401-2010 class A, fluorine-free (report ETK-00042501-MUL-2508)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eLightweight 3-season synthetic trekking sleeping bag: real-world weight, volume, and conditions\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike MG120 trekking sleeping bag\u003c\/strong\u003e weighs 670 g in size M with compressed dimensions of 18×15×30 cm — dimensions suitable for multi-day backpacking. The comfort temperature is +5°C, measured according to the GB\/T 38426-2019 and ISO 23537 standards using a thermal mannequin, insulating mat, and long underwear. In field conditions without this equipment, allow for a margin of 3 to 5°C. The mummy cut includes an opening at the feet, allowing you to walk around without leaving the bag — useful when preparing for the day at a bivouac. The YKK zipper can be accessed from the inside.\u003c\/p\u003e\n\u003ch3\u003eSUNDOUCE Gold synthetic filling: advantages in humid conditions\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003eSUNDOUCE Gold 60 g\/m² double-layer\u003c\/b\u003e filling consists of synthetic microfilaments that retain their insulation when they absorb moisture — unlike natural down, which loses a significant portion of its effectiveness when wet. This is a practical advantage for trekking: tent condensation, morning dew, and ambient humidity at altitude. The stated insulation power is 5.29 CLO with an antibacterial inhibition rate greater than 90% maintained after machine washing. The outer \u003cb\u003eGRS-certified 20D nylon\u003c\/b\u003e fabric features a fluorine-free water-repellent treatment. Note on the weight\/insulation ratio: for an equivalent temperature range, 700-800 fill power down insulation would weigh less than 500 g — synthetic is a compromise here in favor of moisture tolerance and simplified maintenance, at the expense of weight. For routes in dry conditions where weight is a priority, the \u003ca title=\"Aegismax Leto trekking 5°C down 700 fill power\" href=\"\/en\/products\/sac-de-couchage-trekking-aegismax-leto\"\u003eAegismax Leto\u003c\/a\u003e offers +7°C comfort at 642 g with 700 fill power down insulation.\u003c\/p\u003e","brand":"Duvet Nomade","offers":[{"title":"MG120 \/ M","offer_id":53361917624657,"sku":"14:29#MG120 - M;200007763:201336100","price":109.0,"currency_code":"EUR","in_stock":true},{"title":"MG120 \/ L","offer_id":53361917657425,"sku":"14:366#MG120 - L;200007763:201336100","price":119.0,"currency_code":"EUR","in_stock":true},{"title":"MG120 \/ XL","offer_id":53361917690193,"sku":"14:10#MG120 - XL;200007763:201336100","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_naturehike_mg120.webp?v=1774185792"},{"product_id":"sac-de-couchage-0-degre-trekking-ultralight-aegismax-dusk-ii","title":"0 degree trekking sleeping bag (1°C) | Aegismax Dusk II","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 651 g (regular) \/ 737 g (long)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCompressed size:\u003c\/strong\u003e 18 × 30 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComfort temperature:\u003c\/strong\u003e 1°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLimit temperature:\u003c\/strong\u003e -4°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFill:\u003c\/strong\u003e RDS-certified, 800FP Ultra-Dry water-repellent grey duck down\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOuter fabric:\u003c\/strong\u003e DWR-treated iFlex 7D Ripstop Nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThermal standard:\u003c\/strong\u003e EN 13537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eUltralight 800FP down sleeping bag for 3-season trekking and bivouacking\u003c\/h2\u003e\n\u003cp\u003eThe Aegismax Windhard Dusk II \u003cstrong\u003esleeping bag\u003c\/strong\u003e combines \u003cb\u003eRDS-certified 800FP Ultra-Dry\u003c\/b\u003e grey duck down insulation with a DWR-treated \u003cb\u003eiFlex 7D Ripstop Nylon\u003c\/b\u003e fabric, weighing just 651 g for the Regular version, including the compression sack. The comfort temperature is rated at \u003cb\u003e1°C\u003c\/b\u003e and the limit temperature at \u003cb\u003e-4°C\u003c\/b\u003e, measured according to the EN 13537 standard in standardized laboratory conditions using an insulating mat, long underwear, and a dry environment. In real-world terrain conditions, particularly at high altitudes or with residual humidity, allow for a 3 to 5°C margin beyond the stated limit value.\u003c\/p\u003e\n\u003ch3\u003eUltra-Dry treatment and heat-leak prevention structure\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003eUltra-Dry\u003c\/b\u003e water-repellent treatment applied to the down preserves much of its loft in cases of light moisture, perspiration, or nocturnal condensation, though it does not replace a waterproof bivy sack for exposed bivouacking. The wrap-around design incorporates a \u003cb\u003edraft tube\u003c\/b\u003e, an adjustable neck baffle, and an anti-snag system on the zipper: three design features that reduce heat loss in the areas most prone to thermal leakage in this type of product.\u003c\/p\u003e","brand":"Duvet Nomade","offers":[{"title":"Dusk II \/ Lying down","offer_id":53570402222417,"sku":"14:200006153#Dusk II-Lengthen;200007763:201441035","price":299.0,"currency_code":"EUR","in_stock":true},{"title":"Dusk II \/ Regular","offer_id":53570402353489,"sku":"14:200006152#Dusk II-Regular;200007763:201441035","price":289.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/aegismax_dusk_II.webp?v=1776601433"},{"product_id":"sac-de-couchage-ultra-leger-naturehike-lw180","title":"Ultralight sleeping bag (8°C) | Naturehike LW180","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 680 g (Standard) \/ 760 g (Large)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eUnfolded dimensions:\u003c\/strong\u003e 190×75 cm (Standard) \/ 205×85 cm (Large)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCompressed size:\u003c\/strong\u003e ⌀12×29 cm (Standard) \/ ⌀13×31 cm (Large)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComfort temperature:\u003c\/strong\u003e 15°C \u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLimit temperature:\u003c\/strong\u003e 8°C \u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFilling:\u003c\/strong\u003e Silk-feel synthetic fiber — 80 g\/m²\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eShell and lining fabric:\u003c\/strong\u003e 20D 380T polyester taffeta\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eUltra-light and compact sleeping bag for hiking and summer travel\u003c\/h2\u003e\n\u003cp\u003eThe LW180 \u003cstrong\u003ecompact sleeping bag\u003c\/strong\u003e is designed for summer outings and light travel, with a weight of \u003cb\u003e680 g\u003c\/b\u003e in the Standard version and 760 g in the Large version, and a compressed size of \u003cb\u003e12 x 29 cm\u003c\/b\u003e. The \u003cb\u003e80 g\/m² silk-feel synthetic fiber\u003c\/b\u003e filling and 20D 380T polyester taffeta shell and lining provide a soft, breathable feel against the skin, suitable for summer nights. The temperatures indicated (15°C comfort \/ 8°C limit) are manufacturer values: in the absence of an explicit measurement standard, plan for an extra layer from 10°C in real field conditions.\u003c\/p\u003e\n\u003ch3\u003eVersatile design: sleeping bag, blanket, or double bag\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003etwo-way YKK zipper\u003c\/b\u003e allows the LW180 to be fully opened for use as a flat, lightweight blanket, or zipped together with a second compatible bag for use as a duo. Velcro fasteners keep the zipper in the open position without any annoyance. This level of versatility compensates for the lack of a winter temperature range: the LW180 is a \u003cb\u003esummer sleeping bag\u003c\/b\u003e or a lightweight addition to be integrated into a layering system, not a 4-season bag.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"LW180 \/ Green - 205x85 cm","offer_id":53640283226449,"sku":"14:100013777#Green - 205x85 cm;200007763:201336100","price":59.0,"currency_code":"EUR","in_stock":false},{"title":"LW180 \/ Green - 190x75 cm","offer_id":53640283324753,"sku":"14:200006156#Green - 190x75 cm;200007763:201336100","price":59.0,"currency_code":"EUR","in_stock":false},{"title":"LW180 \/ Blue - 205x85 cm","offer_id":53640283357521,"sku":"14:200004890#Navy - 205x85 cm;200007763:201336100","price":49.0,"currency_code":"EUR","in_stock":false},{"title":"LW180 \/ Blue - 190x75 cm","offer_id":53640283259217,"sku":"14:365458#Navy - 190x75 cm;200007763:201336100","price":49.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sleeping_bag.webp?v=1777310258"},{"product_id":"sac-de-couchage-trekking-ageismax-nano-2","title":"Ultralight Sleeping Bag 5°C | Aegismax NANO 2","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 624g (regular) and 742g (lengthened)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCompressed size:\u003c\/strong\u003e 25×15 cm (Regular) \/ 28×15 cm (Lengthened)\u003cstrong\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFill:\u003c\/strong\u003e 800FP white goose down, RDS certified \/ 350 g (Regular) \/ 400 g (Lengthened)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOuter fabric:\u003c\/strong\u003e 15D IFlex Nylon Ripstop with DWR treatment\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLining:\u003c\/strong\u003e 15D polyester taffeta\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComfort temperature:\u003c\/strong\u003e 5°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLimit temperature:\u003c\/strong\u003e 0°C \u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThermal standard:\u003c\/strong\u003e EN 13537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003e800FP down mummy ultralight sleeping bag for bivouacking and trekking\u003c\/h2\u003e\n\u003cp\u003eThe Aegismax Nano 2 \u003cstrong\u003eultralight sleeping bag\u003c\/strong\u003e is a hoodless mummy bag designed for solo bivouacking and trekking, weighing \u003cb\u003e624 g\u003c\/b\u003e in the Regular version with \u003cb\u003e350 g of 800FP RDS-certified\u003c\/b\u003e white goose down fill. The \u003cb\u003ebox-baffle\u003c\/b\u003e construction separates the fill into distinct compartments to maintain even down distribution throughout the night, eliminating cold spots at the shoulders and sides.\u003c\/p\u003e\n\u003ch3\u003e15D IFlex DWR fabric: lightweight and resistant to light moisture\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e15D IFlex Nylon Ripstop\u003c\/b\u003e fabric with DWR treatment for the outer shell and the 15D polyester taffeta lining in contact with the skin offer a strength-to-weight ratio that is difficult to achieve with thicker fabrics. The \u003cb\u003eDWR\u003c\/b\u003e treatment repels light moisture and resists dirt without guaranteeing total waterproofing: a bivy bag is still recommended for bivouacking exposed to precipitation.\u003c\/p\u003e\n\u003cp\u003eThe three-dimensional foot box adapts to the shape of the feet without compressing the toes, and the \u003cb\u003eself-sealing vent\u003c\/b\u003e allows for thermal regulation without opening the main zipper. The Regular and Lengthened versions can be \u003cb\u003ezipped together\u003c\/b\u003e for use as a double bag. Two storage bags included: an ultralight compression bag for transport and a mesh bag for \u003cb\u003elong-term storage\u003c\/b\u003e without compressing the fill.\u003c\/p\u003e","brand":"Duvet Nomade","offers":[{"title":"Nano 2 \/ Lying down","offer_id":53671036191057,"sku":"14:366#NANO 2-Lengthen;200007763:201336100","price":299.0,"currency_code":"EUR","in_stock":true},{"title":"Nano 2 \/ Regular","offer_id":53671036223825,"sku":"14:29#NANO 2-Reglar;200007763:201336100","price":279.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/aegismax_nano_2.webp?v=1777657663"},{"product_id":"sac-de-couchage-quilt-naturehike-cicada","title":"10°C Quilt Sleeping Bag | Naturehike Cicada","description":"\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 385 g (M) \/ 455 g (L) — 425 g \/ 495 g packed\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 175 x 70 cm (M) \/ 190 x 80 cm (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePacked size:\u003c\/strong\u003e 13 x 23 cm (M) \/ 15 x 28 cm (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFill:\u003c\/strong\u003e 750 FP goose down, 90% down, 1000 mm cleanliness, \u003cstrong\u003eRDS certified\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFill weight:\u003c\/strong\u003e 200 g (M) \/ 230 g (L)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOuter fabric:\u003c\/strong\u003e 10D down-proof nylon, DWR water-repellent treatment\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComfort temperature:\u003c\/strong\u003e 10.5°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLimit temperature:\u003c\/strong\u003e 6.4°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThermal standard:\u003c\/strong\u003e GB\/T 38426 \/ ISO 23537\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003e750 FP Ultralight Quilt for summer trekking and mid-season\u003c\/h2\u003e\n\u003cp\u003eAt 385 g in size M (425 g packed), the Naturehike Cicada \u003cstrong\u003eultralight quilt\u003c\/strong\u003e is designed for trekkers looking to optimize their weight-to-warmth ratio. Unlike a mummy bag, the open wrap shape without an integrated hood reduces total weight and frees up the shoulders in summer, at the cost of requiring active management of nighttime insulation. The \u003cb\u003e750 FP goose down\u003c\/b\u003e fill, 90% down, 1000 mm certified cleanliness, and RDS traceability offers high loft for 200 g of fill in size M.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding GB\/T 38426 and ISO 23537 certified temperatures\u003c\/h3\u003e\n\u003cp\u003eThe temperature range is measured according to \u003cb\u003eGB\/T 38426 or ISO 23537\u003c\/b\u003e, protocols using an instrumented thermal mannequin under controlled conditions. The comfort rating of +10.5°C corresponds to a standard female user sleeping in a relaxed position. The limit of +6.4°C is the threshold at which a male user maintains thermal balance while curled up. The \u003cb\u003eextreme of -6.3°C\u003c\/b\u003e is a theoretical survival threshold, not a target usage. In the field, humidity, altitude, and sleeping pads alter these values: a good sleeping pad \u003cb\u003eR-value\u003c\/b\u003e remains essential.\u003c\/p\u003e\n\u003ch3\u003e10D DWR Nylon and compressibility for backpacking\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e10D down-proof nylon\u003c\/b\u003e fabric with DWR treatment handles light condensation. The YKK zipper and Duraton accessories ensure durability at stress points. Compressed to 13 x 23 cm in size M, the Cicada fits into a \u003cb\u003ecompact lightweight sleeping bag\u003c\/b\u003e of 20 to 30 L. The size L (455 g, 15 x 28 cm) covers up to 190 cm with 230 g of fill.\u003c\/p\u003e","brand":"Duvet Nomade","offers":[{"title":"M","offer_id":53945354813777,"sku":"14:29#Grey M","price":199.0,"currency_code":"EUR","in_stock":true},{"title":"L","offer_id":53945354846545,"sku":"14:366#Grey L","price":199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/S22c0d0dd82ce41b08d38df4bcd5f8a9dl.webp?v=1780488662"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/collections\/sac_de_couchage_trekking.jpg?v=1769625084","url":"https:\/\/duvet-nomade.com\/en\/collections\/sac-de-couchage-trekking.oembed?page=2","provider":"Duvet Nomade","version":"1.0","type":"link"}