{"title":"0-degree sleeping bag","description":"\u003ch2\u003e0-degree sleeping bag: what the comfort temperature means in real conditions\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003ecomfort temperature of a 0-degree down sleeping bag\u003c\/b\u003e indicates, according to the EN 13537 standard, the minimum temperature at which a standard sleeper can spend 8 hours without feeling cold—under standardized conditions: insulating mat (R-value ≥ 3), long thermal underwear, closed hood, dry environment. In real conditions—altitude, humidity, accumulated fatigue—it is recommended to allow a margin of 3 to 5 °C. A well-sized \u003cb\u003ecompact 0-degree sleeping bag\u003c\/b\u003e offers a comfortable range of use between approximately 0 °C and +12 °C, making it the most versatile model for \u003cb\u003ehiking\u003c\/b\u003e and \u003cb\u003ebivouac sleeping bags\u003c\/b\u003e in mainland France. On the GR20 in July (nights at 5–10 °C between 1,500 and 2,000 m), a 0 °C comfort rating with an R-value 3 mat and thermal underwear is suitable for the vast majority of nights.\u003c\/p\u003e\n\u003ch3\u003eWeight and compressibility: concrete data for trekking\u003c\/h3\u003e\n\u003cp\u003eFor \u003cb\u003etrekking sleeping bags\u003c\/b\u003e and long-distance roaming, weight and compressed volume are the determining criteria after the temperature range. An \u003cb\u003eultra-light sleeping bag\u003c\/b\u003e with 800 cuin down at a 0 °C comfort rating weighs between 500 g and 700 g depending on the construction—an \u003cb\u003eultra-light 500 g sleeping bag\u003c\/b\u003e is achievable with 850–900 cuin down on 10-denier fabric, but implies compromises on durability and the actual temperature range (exclusive summer use, comfort generally limited to +5 °C). For a versatile 3-season \u003cb\u003etrekking sleeping bag\u003c\/b\u003e, a model between 700 g and 1 kg with 650–800 cuin down represents the best balance of weight\/insulation\/durability. A \u003cb\u003ecompact down sleeping bag\u003c\/b\u003e with 0 °C comfort compresses into 8 to 12 liters, compared to 16 to 20 liters for an equivalent synthetic—a significant difference in a 35 to 45-liter backpack.\u003c\/p\u003e\n\u003ch2\u003eUltra-compact or ultra-light sleeping bag: what is the difference?\u003c\/h2\u003e\n\u003cp\u003eThe two criteria are related but distinct. An \u003cb\u003eultra-compact sleeping bag\u003c\/b\u003e prioritizes compressed volume—relevant for small-capacity backpacks or trips where space is limited. An \u003cb\u003eultra-light sleeping bag\u003c\/b\u003e prioritizes total weight—relevant for long-distance treks where every gram counts over time. In practice, \u003cb\u003eultralight down\u003c\/b\u003e models with high fill power (750–850 cuin) combine both: low weight and low compressed volume. Lightweight synthetic models meet the weight criterion but rarely the volume criterion—a synthetic \u003cb\u003ecompact 0-degree down bag\u003c\/b\u003e is difficult to compress to under 14 liters. For \u003cb\u003ehiking\u003c\/b\u003e trips with significant carrying, down filling remains objectively superior on these two criteria.\u003c\/p\u003e\n\u003ch3\u003eNatural down or synthetic for an ultra-light trekking sleeping bag?\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eTrekking down\u003c\/b\u003e with natural filling offers the best weight\/insulation ratio for trips in dry conditions: an \u003cb\u003eultra-light trekking sleeping bag\u003c\/b\u003e with 800 cuin down reaches 500 to 700 g compared to 1.1 to 1.4 kg for a synthetic one with equivalent thermal performance. Synthetic filling maintains its insulation even when damp—a real advantage in rainy conditions or when crossing humid areas. For a \u003cb\u003elight, warm sleeping bag\u003c\/b\u003e used in varied conditions, models with hydrophobic down combine both advantages: the lightness of natural down with partial moisture resistance. To learn more, consult the \u003ca href=\"\/en\/blogs\/infos\/garnissage-sac-de-couchage-duvet-ou-synthetique-selon-lusage\"\u003edown vs. synthetic filling guide based on usage\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003e0-degree or 3-season sleeping bag: what is the difference for bivouacking?\u003c\/h2\u003e\n\u003cp\u003eAn \u003cb\u003eultralight 0-degree sleeping bag\u003c\/b\u003e and a 3-season model often cover the same uses—the distinction lies mainly in the construction and the temperature range covered. A \u003cb\u003elight, compact 3-season sleeping bag\u003c\/b\u003e incorporates a margin toward both positive and negative temperatures, with a construction adapted to significant variations between warm and cool nights over several weeks. For hikers who alternate spring, summer, and autumn outings with very varied conditions, the \u003ca href=\"\/en\/collections\/sac-de-couchage-3-saisons\"\u003e3-season sleeping bag collection\u003c\/a\u003e offers models specifically designed for this extended versatility. For those planning winter outings, the \u003ca href=\"https:\/\/duvet-nomade.com\/collections\/sac-de-couchage-grand-froid\" target=\"_blank\" title=\"sac de couchage grand froid\" rel=\"noopener\"\u003eextreme cold sleeping bag\u003c\/a\u003e collection will be suitable for very low temperatures.\u003c\/p\u003e","products":[{"product_id":"sac-de-couchage-0-degre-aegismax-g2","title":"0 degree sleeping bag (-2°) | 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 15D iFlex® nylon with DWR water-repellent finish\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed volume:\u003c\/b\u003e Up to 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\u003eHigh-performance down sleeping bag for mid-mountain use\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax G2\u003c\/strong\u003e fits perfectly between summer gear and heavy expedition equipment. With a certified sub-zero comfort temperature, this \u003cb\u003ewarm sleeping bag\u003c\/b\u003e ensures restful nights in early spring or late autumn. Its premium fill guarantees rapid warming of the interior from the very first minutes of rest, which is crucial after a long day of hiking in cool conditions.\u003c\/p\u003e\n\u003ch3\u003eTechnical baffling and ultra-compressibility\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e800-fill-power RDS-certified goose down\u003c\/b\u003e offers one of the best insulation-to-weight ratios on the market. It compresses impressively (taking up only 3.3 liters) to free up valuable space in your backpack. The internal baffle construction eliminates cold spots, while the thin \u003cb\u003eiFlex® 15D\u003c\/b\u003e fabric allows the sleeping bag to loft immediately once unpacked in the tent.\u003c\/p\u003e\n\u003cp\u003eIf you are planning to transition to purely winter conditions and now require heavy-duty insulation certified down to -17°C, the \u003ca href=\"\/en\/products\/sac-de-couchage-grand-froid-aegismax-d5\" title=\"Discover the Aegismax D5 cold weather\"\u003eAegismax D5\u003c\/a\u003e extreme cold sleeping bag will become essential for keeping you safe during nights in the snow.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"G2 \/ Regular (up to 176cm)","offer_id":52581200265553,"sku":"14:1063#G2-blue-Regular.;200007763:201336100","price":339.0,"currency_code":"EUR","in_stock":true},{"title":"G2 \/ Long (up to 196cm)","offer_id":52581200331089,"sku":"14:193#G2-blue-Lengthen.;200007763:201336100","price":349.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_G2_02.webp?v=1774707373"},{"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-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-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-0-degre-naturehike-cw700","title":"0-degree sleeping bag (-1.7°C) | 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\u003eFill:\u003c\/b\u003e 650 cuin duck down (700 g) RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e Water-repellent 20D 400T ripstop nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eCompressed volume:\u003c\/b\u003e 22x42cm\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eHybrid and reassuring high-altitude sleeping\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike CW700 0-degree sleeping bag\u003c\/strong\u003e solves the classic problem of feeling constricted at night. It combines a form-fitting profile on the upper body to block heat loss with a widened lower section. This geometry allows trekkers to maintain excellent leg mobility while benefiting from serious insulation when temperatures drop below freezing in the mountains.\u003c\/p\u003e\n\u003ch3\u003eFill power and fabric durability\u003c\/h3\u003e\n\u003cp\u003eThe 700-gram \u003cb\u003eRDS certified down\u003c\/b\u003e fill provides a generous and consistent loft, creating a thick layer of insulating air around the sleeper. The \u003cb\u003e20D ripstop nylon\u003c\/b\u003e shell effectively resists abrasion and incorporates a water-repellent finish that protects the feathers from moisture. This model is the ally for demanding nights where warmth and \u003cb\u003esleep comfort\u003c\/b\u003e should not be a compromise.\u003c\/p\u003e\n\u003cp\u003eFor the most demanding users who wish to maintain this -2°C thermal limit while switching to a higher feather quality (800 cuin goose down) to optimize compressibility, the \u003ca href=\"\/en\/products\/sac-de-couchage-0-degre-aegismax-g2\" title=\"Discover the Aegismax G2 goose down sleeping bag\"\u003eAegismax G2\u003c\/a\u003e will be the logical investment.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"L","offer_id":52587967578449,"sku":"14:173#Duck down L Gray","price":259.0,"currency_code":"EUR","in_stock":true},{"title":"M","offer_id":52587967643985,"sku":"14:200006151#Duck down M Gray","price":249.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_0_degr_confort_naturehike_cw700.webp?v=1767119705"},{"product_id":"sac-de-couchage-en-coton-p400","title":"0-degree (1°C) cotton sleeping bag | Naturehike P400","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,850 g\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e 80 × 220 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eComfort temperature:\u003c\/b\u003e 1 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eLimit temperature:\u003c\/b\u003e -4 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e Synthetic cotton\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFabric:\u003c\/b\u003e Pongee with washed cotton lining\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eThe comfort of real bedding in the great outdoors\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike P400 cotton sleeping bag\u003c\/strong\u003e is aimed at those who struggle to get used to the slippery and cold feel of technical nylon materials. Designed for nights in camper vans, caravans, or for sedentary camping, this model replicates the feel of a real home duvet while ensuring reliable thermal insulation down to 1°C.\u003c\/p\u003e\n\u003ch3\u003eTextile softness and even heat distribution\u003c\/h3\u003e\n\u003cp\u003eThe secret to this \u003cb\u003ecomfortable sleeping bag\u003c\/b\u003e lies in its \u003cb\u003ewashed cotton\u003c\/b\u003e internal lining. This breathable, extremely soft-on-the-skin textile allows for a pleasant and gradual diffusion of the heat generated by your body, avoiding thermal shock when slipping into bed. The thick synthetic filling is forgiving in humid environments. It is a heavy piece of equipment (1.85 kg), fully embracing its focus on comfort at the expense of portability.\u003c\/p\u003e\n\n\u003cp\u003eFor static campers facing harsher nights (-5°C) who require a mummy cut with a hood to completely block cold air drafts while maintaining synthetic insulation, the massive \u003ca href=\"\/en\/products\/sac-de-couchage-duvet-5-c-naturehike-mj600\" title=\"See the Naturehike MJ600 synthetic model\"\u003eNaturehike MJ600\u003c\/a\u003e will logically take over.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Grey","offer_id":52593623040337,"sku":"14:366#Brown P400 (kg)","price":109.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_0_degr_s_naturehike_p400.webp?v=1767119296"},{"product_id":"sac-de-couchage-quilt-0-degre-aegismax","title":"0 Degree Quilt Sleeping Bag | Aegismax Wind Hard Twilight","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\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\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 10D IFlex® water-repellent DWR nylon\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 quilt for ultra-light hiking\u003c\/h2\u003e\n\u003cp\u003eChoosing a \u003cstrong\u003e0-degree bivouac quilt\u003c\/strong\u003e follows a strict logic of equipment optimization. By removing the hood and the back section that gets compressed by the sleeper, the Aegismax Wind Hard Twilight eliminates unnecessary weight. Thermal insulation then relies directly on the capabilities of your sleeping pad (R-value). The 0 °C comfort temperature is only achieved if the quilt is properly strapped to the pad and used away from drafts.\u003c\/p\u003e\n\u003ch3\u003eWeight-to-warmth ratio and compressibility\u003c\/h3\u003e\n\u003cp\u003eThe 800 cuin RDS-certified goose down filling ensures exceptional loft while compressing massively in the backpack. The EN 13537 standard certifies the reliability of the stated thermal data, limiting the risk of error at altitude. The 10D fabric requires careful handling during setup, but provides an effective water-repellent barrier against nocturnal condensation.\u003c\/p\u003e\n\u003cp\u003eIf the Quilt format seems too minimalist and you prefer the full coverage of a traditional sleeping bag with a hood for facing the same temperatures, the profile of the \u003ca href=\"\/en\/products\/sac-de-couchage-0-degre-blacksnow\" title=\"Discover the Blacksnow 0-degree sleeping bag\"\u003eBlacksnow 0-degree\u003c\/a\u003e will be an excellent alternative.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"Wind Hard Twilight \/ Tall (185cm)","offer_id":52599465771345,"sku":"14:200005536#Twilight-White-L;200007763:201336100","price":249.0,"currency_code":"EUR","in_stock":true},{"title":"Wind Hard Twilight \/ Regular (175cm)","offer_id":52599465738577,"sku":"14:365016#Twilight-White-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_hard_wind_twilight.webp?v=1767118409"},{"product_id":"sac-de-couchage-0-degre-naturehike-u250s-2","title":"0-degree sleeping bag | Naturehike U250S","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,500 g\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e 75 × 220 cm (190 + 30 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 -3°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e Synthetic cotton\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFabric:\u003c\/b\u003e Durable nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eShape:\u003c\/b\u003e Envelope (connectable)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eRectangular sleeping bag for camping and vanlife\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike U250S 0-degree sleeping bag\u003c\/strong\u003e is designed for those who prioritize space and nighttime comfort during their outings. Unlike restrictive mummy shapes, its envelope design allows for free movement of the legs throughout the night. Its cotton filling provides soft, even warmth that is particularly resistant to the ambient humidity often encountered in tents or camper vans.\u003c\/p\u003e\n\u003ch3\u003eModularity and thermal insulation\u003c\/h3\u003e\n\u003cp\u003eDesigned for organized bivouacking and mid-season nights, this \u003cb\u003ewarm sleeping bag\u003c\/b\u003e features a full-length zipper that allows it to be opened completely like a duvet. The connectable system offers the possibility of joining two bags together to create a double sleeping space. It is a reliable solution for campers looking for a \u003cb\u003ecomfortable sleeping bag\u003c\/b\u003e that is easy to maintain and free of technical constraints.\u003c\/p\u003e\n\u003cp\u003eFor hikers who, conversely, want to halve the weight of their sleeping gear for summer trekking while maintaining protective insulation, the compact natural down of the \u003ca href=\"\/en\/products\/sac-de-couchage-0-degre-aegismax-d1\" title=\"See the Aegismax D1 ultra-compact\"\u003eAegismax D1\u003c\/a\u003e will mark a real turning point in lightening your backpack.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"U250S \/ Brown","offer_id":52834555986257,"sku":"14:366#U250S Brown-right;200007763:201336100","price":79.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_naturehike_u250.webp?v=1767033564"},{"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-moins-2-naturehike-mg120","title":"0 Degree Sleeping Bag (-2°C) | Naturehike MG270","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComfort temperature:\u003c\/strong\u003e -2°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\u003eThermal standard:\u003c\/strong\u003e ISO 23537-1 \/ GB\/T 38426-2019\u003cstrong\u003e\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e M 1.16 kg \/ L 1.3 kg \/ XL 1.46 kg\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e M 75×190 cm \/ L 80×205 cm \/ XL 85×220 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFilling:\u003c\/strong\u003e Sundouce Cotton — 135 g\/m² (hollow synthetic fiber)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOuter fabric:\u003c\/strong\u003e 20D 380T waterproof nylon — GRS certified fluorine-free\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLining:\u003c\/strong\u003e 20D 380T antibacterial nylon\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFabric certification:\u003c\/strong\u003e GRS ETK-00042501-MUL-2508\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eNaturehike MG270 lightweight synthetic sleeping bag — 3-season camping and trekking\u003c\/h2\u003e\n\u003cp\u003eThe Naturehike MG270 \u003cstrong\u003esleeping bag\u003c\/strong\u003e uses \u003cb\u003eSundouce Cotton 135 g\/m²\u003c\/b\u003e filling, a hollow synthetic fiber designed to maintain its insulating properties in the presence of light moisture, unlike natural down, which loses loft when exposed to water. The \u003cb\u003e20D 380T waterproof nylon\u003c\/b\u003e outer fabric and the matching antibacterial lining contribute to a weight of 1.16 kg in size L, with a packed size of 25 x 22 x 40 cm.\u003c\/p\u003e\n\u003ch3\u003eGRS certification and fluorine-free fabric: verifiable material traceability\u003c\/h3\u003e\n\u003cp\u003eThe outer fabric is \u003cb\u003eGlobal Recycled Standard (GRS)\u003c\/b\u003e certified, number ETK-00042501-MUL-2508, with documented testing for the absence of fluorine (reference 70.404.26.10138.01). The water-repellent treatment is PFAS-free, eliminating the persistent fluorinated compounds found on many previous-generation outdoor fabrics. The \u003cb\u003eYKK\u003c\/b\u003e zipper is one of the few verifiable hardware specifications in this price segment.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"XL","offer_id":53624982339921,"sku":"14:175#MG270 Green XL","price":199.0,"currency_code":"EUR","in_stock":true},{"title":"L","offer_id":53624982405457,"sku":"14:200006152#MG270 Green L","price":189.0,"currency_code":"EUR","in_stock":true},{"title":"M","offer_id":53624982372689,"sku":"14:1063#MG270 Green M","price":169.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/naturehikemg270.webp?v=1777138332"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/collections\/sac-de-couchage-0-degre.webp?v=1769623787","url":"https:\/\/duvet-nomade.com\/en\/collections\/sac-de-couchage-0-degre.oembed","provider":"Duvet Nomade","version":"1.0","type":"link"}