The ZERO Mummy sleeping bag is built for cold-weather and high-altitude expeditions. It uses 850+ fill-power down, a durable water-resistant shell, hood design with pull-cords, and shoulder/zipper baffles to lock in warmth. Comfort rated around 14 °F and comfort limit 0 °F making it a serious mountaineering option. Exceptional Warmth & Comfort: Hooded design with shoulder and zipper baffles to minimize heat loss. Adjustable collar and hood cords help retain warmth for comfort below 32°F (0°C). Functional Design: Internal collar pocket for essentials, plus four small pouches sized for heat warmers when extra warmth is needed. Premium Construction: Made with durable, water-resistant materials and high-quality white duck down for excellent warmth-to-weight performance. RDS certified for responsible sourcing. Compact & Portable: Compresses to about 13 x 7 inches in the included nylon compression sack and comes with a mesh bag for long-term storage. Ideal for Various Conditions: Perfect for mild to cold adventures and performance mountaineering, offering standout warmth for its class and price. Best Use Backpacking/Camping/Mountaineering Temperature Rating (F/C) Comfort: 14 F/ -10 CComfort Limit: 0 F/ -18 C Weight Short: 2 lb. 3 oz. (1000 g)Regular: 2 lb. 10 oz. (1200 g)Long: 3 lbs. (1400 g) Zipper Location Right Material 10D taffeta nylon Insulation Type White duck down Fill 850+ fill power (RDS certified)Short: 570 g of down fillRegular: 750 g of down fillLong: 1020 g of down fill Shape Mummy Fit (User Recommended Height) Short: Fits up to 5' 6" (168 cm)Regular: Fits up to 6' (183 cm)Long: Fits up to 6' 6" (198 cm) Dimensions (L x shoulder/hip width) Short: 73 x 31/18 inchesRegular: 80 x 31/20 inchesLong: 87 x 31/20 inches Gender Unisex
