{"product_id":"alaska-20-f-4-43-lb-ultralight-duck-down-mummy-sleeping-bag-for-extreme-cold-weather-backpacking-mountaineering","title":"Alaska -20°F 4.43 lb Ultralight Duck Down Mummy Sleeping Bag for Extreme Cold Weather Backpacking \u0026 Mountaineering","description":"\u003ch2 data-start=\"118\" data-end=\"133\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"135\" data-end=\"691\"\u003e\n\u003cli data-start=\"135\" data-end=\"170\"\u003eTemperature Rating: -20°F (-29°C)\u003c\/li\u003e\n\u003cli data-start=\"171\" data-end=\"188\"\u003eWeight: 4.43 lb\u003c\/li\u003e\n\u003cli data-start=\"189\" data-end=\"225\"\u003ePremium 90\/10 duck down insulation\u003c\/li\u003e\n\u003cli data-start=\"226\" data-end=\"264\"\u003eUltralight mummy sleeping bag design\u003c\/li\u003e\n\u003cli data-start=\"265\" data-end=\"324\"\u003e50D polyester shell with PFAS-free water-repellent finish\u003c\/li\u003e\n\u003cli data-start=\"325\" data-end=\"352\"\u003eSoft 50D polyester lining\u003c\/li\u003e\n\u003cli data-start=\"353\" data-end=\"394\"\u003eInsulated hood with adjustable drawcord\u003c\/li\u003e\n\u003cli data-start=\"395\" data-end=\"432\"\u003eInsulated collar and zipper baffles\u003c\/li\u003e\n\u003cli data-start=\"433\" data-end=\"462\"\u003eAnatomically shaped footbox\u003c\/li\u003e\n\u003cli data-start=\"463\" data-end=\"487\"\u003eBuilt-in pillow sleeve\u003c\/li\u003e\n\u003cli data-start=\"488\" data-end=\"521\"\u003eZippered footbox storage pocket\u003c\/li\u003e\n\u003cli data-start=\"522\" data-end=\"563\"\u003eBuckle-release compression bag included\u003c\/li\u003e\n\u003cli data-start=\"564\" data-end=\"593\"\u003eFits users up to 78 in tall\u003c\/li\u003e\n\u003cli data-start=\"594\" data-end=\"691\"\u003eIdeal for winter camping, mountaineering, backpacking, expedition travel, and alpine adventures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"693\" data-end=\"715\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp data-start=\"717\" data-end=\"1040\"\u003eThe Alaska -20°F Duck Down Mummy Sleeping Bag is designed for extreme cold-weather adventures where warmth, packability, and weight matter most. Filled with premium 90\/10 duck down insulation, this ultralight sleeping bag delivers exceptional loft and compressibility while maintaining a trail-ready weight of just 4.43 lb.\u003c\/p\u003e\n\u003cp data-start=\"1042\" data-end=\"1397\"\u003eThe contoured mummy shape is engineered to reduce excess internal space while providing a comfortable fit for cold-weather camping, mountaineering, backpacking, and alpine expeditions. An insulated hood, adjustable drawcord system, insulated collar, and zipper baffles work together to create a secure sleeping environment in demanding outdoor conditions.\u003c\/p\u003e\n\u003cp data-start=\"1399\" data-end=\"1767\"\u003eBuilt with a durable 50D polyester shell featuring a PFAS-free water-repellent finish, the Alaska sleeping bag is designed for use in a wide range of outdoor environments. Additional features include an anatomical footbox, zippered footbox storage pocket, built-in pillow sleeve, and a buckle-release compression bag that helps reduce packed size for easier transport.\u003c\/p\u003e\n\u003cp data-start=\"1769\" data-end=\"2008\"\u003eWhether you're tackling winter backpacking routes, mountaineering objectives, or remote cold-weather camps, the Alaska -20°F provides premium down insulation, compact packability, and lightweight performance for serious outdoor adventures.\u003c\/p\u003e","brand":"Eusebio Sporting USA","offers":[{"title":"Default Title","offer_id":42401988575314,"sku":"SBMU-EXBK-001","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/2796\/4498\/files\/Shopify3.1_76317aed-3328-4feb-b582-5263e95f46f5.png?v=1778872311","url":"https:\/\/eusebiosportingusa.com\/products\/alaska-20-f-4-43-lb-ultralight-duck-down-mummy-sleeping-bag-for-extreme-cold-weather-backpacking-mountaineering","provider":"Eusebio Sporting USA","version":"1.0","type":"link"}