{"title":"-10 degree sleeping bag","description":"\u003cp\u003e\n  The three available models offer comfort temperatures between -8°C and -10.8°C, with weights ranging from 1,187 g to 1,650 g and fill powers from 650 to 800 cuin. Complete details on temperature ratings, fill, and weight are specified on each product page.\n\u003c\/p\u003e\n\n\u003ch2\u003e-10 degree sleeping bag: comfort temperature and real-world conditions\u003c\/h2\u003e\n\n\u003cp\u003e\n  The \u003cb\u003ecomfort temperature of a -10 degree sleeping bag\u003c\/b\u003e indicates the minimum temperature at which an average sleeper will sleep without feeling cold, as measured in a laboratory with a standardized thermal mannequin. In real-world \u003cb\u003ewinter bivouac\u003c\/b\u003e conditions, this value also depends on the quality of the insulated sleeping pad (a recommended R-value of 4 to 5 minimum for nights below -5°C), the clothing worn at night, and the level of fatigue. The \u003cb\u003elimit temperature\u003c\/b\u003e, often between -15°C and -18°C for these models, corresponds to the tolerance threshold of a standard man. The extreme temperature is a theoretical survival threshold: it does not reflect real comfort and should not be used as a selection criterion. For outings where temperatures regularly drop below -10°C, the \u003ca href=\"\/en\/collections\/sac-de-couchage-grand-froid\"\u003eextreme cold collection\u003c\/a\u003e offers models with comfort ratings from -17°C to -30°C.\n\u003c\/p\u003e\n\n\u003ch3\u003eDown fill for a -10°C comfort sleeping bag\u003c\/h3\u003e\n\n\u003cp\u003e\n  At this thermal level, a \u003cb\u003e10-degree down\u003c\/b\u003e sleeping bag with 800 cuin natural fill offers the best weight-to-insulation ratio available. A \u003cb\u003e10-degree sleeping bag\u003c\/b\u003e with 800 cuin down weighs between 1,200 g and 1,400 g depending on the construction, compared to 1,600 to 2,200 g for a synthetic one with equivalent insulation. Natural down loses its effectiveness when saturated with moisture; in dry winter conditions, typical of high-altitude bivouacs, this constraint is rarely a deciding factor. For very humid outings, a model with hydrophobic fill treatment reduces this risk. The construction elements that make the difference at this thermal level are the adjustable anatomical hood, the thermal collar at the shoulders, and the zip with an integrated anti-cold draft tube, which limit heat loss at the bag's critical points.\n\u003c\/p\u003e\n\n\u003ch2\u003e-10 degree or extreme cold sleeping bag: how to choose?\u003c\/h2\u003e\n\n\u003cp\u003e\n  A \u003cb\u003ecomfort 10 sleeping bag\u003c\/b\u003e (understood as comfort at -10°C) is suitable for winter nights in France down to approximately -8°C to -12°C in real conditions, with an appropriate sleeping pad. For high-mountain bivouacs above 2,500 m in winter, alpine climbs, or expeditions where temperatures remain consistently below -15°C, a model from the \u003ca href=\"\/en\/collections\/sac-de-couchage-grand-froid\"\u003eextreme cold collection\u003c\/a\u003e with a comfort rating of -17°C to -23°C is more appropriate. For trips in late autumn or mid-season where nights oscillate between -3°C and -7°C, a \u003ca href=\"\/en\/collections\/sac-de-couchage-moins-5-degres\"\u003e-5°C sleeping bag\u003c\/a\u003e may be a sufficient and lighter choice for the entire season.\n\u003c\/p\u003e\n\n\u003ch3\u003eWeight and volume for a winter bivouac with a -10°C bag\u003c\/h3\u003e\n\n\u003cp\u003e\n  For mountaineering and winter treks with significant load-carrying, the weight of a \u003cb\u003e-10 degree down sleeping bag\u003c\/b\u003e is a genuine criterion. A \u003cb\u003e10-degree down\u003c\/b\u003e model with 800 cuin fill at a -10°C comfort rating weighs between 1,200 g and 1,400 g with a compressed volume of 12 to 18 liters. A synthetic bag with equivalent performance weighs 1,600 to 2,200 g with a volume of 25 to 35 liters. The insulated sleeping pad, which accounts for 40 to 50% of the total insulation of the sleep system in winter conditions, must not be undersized: a minimum R-value of 4 to 5 is recommended for nights below -5°C.\n\u003c\/p\u003e","products":[{"product_id":"sac-de-couchage-moins-10-degre-aegismax-g3","title":"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\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 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\u003eHigh-level thermal protection for winter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax G3 -10 degree sleeping bag\u003c\/strong\u003e is essential safety gear for demanding winter nights. When cold sets in for the long haul, the quality of your insulation determines the success of your excursion. This \u003cb\u003eextreme cold sleeping bag\u003c\/b\u003e utilizes premium goose down to build an impenetrable barrier between your metabolic heat and the freezing outside air, ensuring rapid warming of the interior.\u003c\/p\u003e\n\u003ch3\u003eHeat retention and technical shell\u003c\/h3\u003e\n\u003cp\u003eThe internal box-baffle architecture ensures perfect distribution of the \u003cb\u003e800-fill power RDS-certified down\u003c\/b\u003e, eliminating cold spots. The \u003cb\u003e15D IFlex® nylon\u003c\/b\u003e shell is highly water-repellent, protecting the down from condensation on tent walls. Despite its high-performance thermal ratings, it compresses to 4.5 liters, fitting easily into a mountaineering pack.\u003c\/p\u003e\n\n\u003cp\u003eFor larger frames or users looking for a technical design incorporating cross-baffles to further stabilize the down down to -10°C, the expedition model \u003ca href=\"\/en\/products\/sac-de-couchage-aegismax-ultra-future-ii\" title=\"Discover the Aegismax Ultra Future II\"\u003eAegismax Ultra Future II\u003c\/a\u003e will be the ultimate evolution of your gear.\u003c\/p\u003e","brand":"Ma boutique","offers":[{"title":"G3 \/ Regular (up to 176cm)","offer_id":52581203083601,"sku":"14:365016#G3-blue-Regular.;200007763:201336100","price":439.0,"currency_code":"EUR","in_stock":true},{"title":"G3 \/ Long (up to 196cm)","offer_id":52581203149137,"sku":"14:200005536#G3-blue-Lengthen.;200007763:201336100","price":459.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_G3_01.webp?v=1774707703"},{"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-aegismax-ultra-future-ii","title":"-10 degree sleeping bag | Aegismax ULTRA FUTURE II","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eWeight:\u003c\/b\u003e 1,187 g (bag only)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eDimensions:\u003c\/b\u003e Suitable for heights up to 190 cm\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 -18 °C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eFilling:\u003c\/b\u003e 800 cuin ultra-dry goose down, RDS certified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cb\u003eOuter fabric:\u003c\/b\u003e Water-repellent IFlex® 10D nylon\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\u003eTechnical sleeping gear for demanding winter bivouacking\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAegismax Ultra Future II -10 degree sleeping bag\u003c\/strong\u003e is aimed at experienced individuals who refuse to sacrifice weight on the altar of warmth. When conditions become consistently sub-zero, the goal is to maintain a stable thermal microclimate around the body. This exceptional model achieves the feat of offering a certified barrier for extreme cold while flirting with the one-kilo mark, a decisive asset for fast ascents or long-distance winter trekking.\u003c\/p\u003e\n\u003ch3\u003eBaffling engineering and hydrophobic down\u003c\/h3\u003e\n\u003cp\u003eThe superiority of this \u003cb\u003eextreme cold sleeping bag\u003c\/b\u003e rests on a complex internal architecture combining vertical and horizontal channels. This structure physically blocks the migration of the \u003cb\u003e800 cuin RDS certified goose down\u003c\/b\u003e, ensuring constant insulation thickness even if you move around a lot during the night. The \u003cb\u003eultra-dry\u003c\/b\u003e treatment applied to the feathers prevents them from collapsing due to condensation. The \u003cb\u003eIFlex® 10D\u003c\/b\u003e fabric offers maximum breathability while repelling surface moisture.\u003c\/p\u003e\n\u003cp\u003eIf your winter expeditions require comparable thermal insulation but with a cut that incorporates massive internal windproof reinforcements and 20D fabric that is more robust against repeated friction, the profile of the \u003ca title=\"Discover the Naturehike SP1000 sleeping bag\" href=\"\/en\/products\/sac-de-couchage-moins-10-naturehike-sp1000\"\u003eNaturehike SP1000\u003c\/a\u003e will perfectly round out your considerations.\u003c\/p\u003e","brand":"Duvet Nomade","offers":[{"title":"ULTRA FUTURE II \/ Magenta","offer_id":52801986593105,"sku":"14:200006151#ULTRA FUTURE-II-M;200007763:201336100","price":319.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/AEGIS_ULTRA_FUTURE_II_02.webp?v=1774708339"},{"product_id":"sac-de-couchage-grand-froid-naturehike-snow-petrel-pro700","title":"Extreme cold sleeping bag -11°C | Naturehike Snow Petrel PRO700","description":"\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight (size M):\u003c\/strong\u003e 1,070 g (bag only) — 1,250 g with storage bag\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComfort temperature:\u003c\/strong\u003e -11.1°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eLimit temperature:\u003c\/strong\u003e -19°C\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThermal standard:\u003c\/strong\u003e GB\/T 38426\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFill:\u003c\/strong\u003e 90\/10 white goose down — 750 FP — 660 g (size M)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOuter fabric:\u003c\/strong\u003e 10D nylon with durable water repellent (DWR) treatment\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCompressed volume (extreme):\u003c\/strong\u003e 24 × 25 cm\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e S (\u0026lt; 170 cm) \/ M (\u0026lt; 180 cm) \/ L (\u0026gt; 180 cm)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDown certification:\u003c\/strong\u003e RDS (Responsible Down Standard)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eHigh-cold down sleeping bag for winter bivouacs and high-altitude treks\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNaturehike Snow Petrel PRO700 high-cold goose down sleeping bag\u003c\/strong\u003e is designed for nights below -10°C: winter mountaineering, high-mountain bivouacs, and 4-season hiking in the Alps or Pyrenees. The \u003cb\u003ecomfort temperature of -11.1°C\u003c\/b\u003e is measured according to the GB\/T 38426 standard. Below the \u003cb\u003elimit temperature of -19°C\u003c\/b\u003e, the bag enters the danger zone: reserved for experienced users who know how to compensate (wearing a down jacket, using a liner). The \u003cb\u003eextreme temperature of -41.8°C\u003c\/b\u003e is a theoretical survival threshold, not a usage indicator.\u003c\/p\u003e\n\u003ch3\u003eConstruction and thermal ratio of the 750 FP fill\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e750 FP white goose down\u003c\/b\u003e with a 90% down ratio and a cleanliness level certified at 1,000 mm (RDS standard) ensures uniform insulation throughout the bag. The structure with \u003cb\u003eindependent diamond-shaped vertical baffles\u003c\/b\u003e prevents the fill from shifting and eliminates cold spots. The thermal side wall and integrated anti-cold baffle limit heat loss at the zipper. The \u003cb\u003e10D nylon fabric\u003c\/b\u003e with DWR treatment contributes to \u003cb\u003ecompressibility\u003c\/b\u003e (24 × 25 cm under extreme compression) but requires precautions: avoid prolonged abrasive contact with the ground or tent walls. In wet conditions, a \u003cb\u003ewaterproof bivy bag\u003c\/b\u003e is recommended — down loses a significant part of its insulating power if wet.\u003c\/p\u003e","brand":"Duvet Nomade","offers":[{"title":"PRO 700 \/ M","offer_id":53234799673681,"sku":"14:200005536#PRO700-M-Orange;200007763:201336100","price":479.0,"currency_code":"EUR","in_stock":true},{"title":"PRO 700 \/ L","offer_id":53234799706449,"sku":"14:100018786#PRO700-L-Orange;200007763:201336100","price":499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/files\/sac_de_couchage_naturehike_pro700.webp?v=1772974530"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/9173\/4097\/collections\/sac_de_couchage_-10.webp?v=1769623402","url":"https:\/\/duvet-nomade.com\/en\/collections\/sac-de-couchage-moins-10.oembed","provider":"Duvet Nomade","version":"1.0","type":"link"}