{"product_id":"alpine-ul1100-mummy-down-sleeping-bag","title":"Alpine™ UL1100 Mummy Down Sleeping Bag -6.5°F\/ -21.4°C","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003e\u003cstrong\u003eAlpine™ UL Professional Mummy Down Sleeping Bag\u003c\/strong\u003e with 850FP white goose down and thermal-efficient triangular baffle construction — delivering scientifically tested warmth for extreme cold conditions, engineered for serious mountaineers and winter backpackers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePremium 850FP White Goose Down Insulation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e：Filled with 95% high-quality 850FP white goose down, certified by RDS (Responsible Down Standard) and independently tested for fill power (865 in³), loft, and purity — delivering exceptional warmth-to-weight ratio for extreme alpine conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTriangular Baffle Construction for Maximum Thermal Efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e：Engineered with triangular baffle design that keeps down evenly distributed, prevents cold spots, and promotes faster lofting — achieving the same warmth as traditional square baffle systems with significantly less fill weight, as validated by lab testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eScientific Temperature Ratings with ISO Standards\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e：Thermal values precisely measured using a heated manikin system in accordance with ISO 23537 — providing reliable comfort, limit, and extreme temperature references you can trust for backcountry decision-making.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePremium Materials \u0026amp; Thoughtful Details\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e：Outer and lining crafted from 10D 500T down-proof calendered nylon with a sleek finish, featuring a YKK anti-snag zipper, Duraflex buckles, a warm hood with drawcord adjustment, and an interior storage pocket — every detail built for reliability in harsh conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact Packability with Versatile Storage Options\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e：Includes three storage solutions — mesh storage bag for long-term loft preservation, stuff sack for travel, and compression sack for space-saving packability — so you can choose the right balance of volume and protection for your adventure.\u003c\/span\u003e\u003c\/p\u003e","brand":"Naturehike","offers":[{"title":"M","offer_id":49159198769408,"sku":"6977465869166","price":1208.95,"currency_code":"EUR","in_stock":false},{"title":"L","offer_id":49159198802176,"sku":"6977465869098","price":1234.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0490\/8954\/4346\/files\/2_f143bcc7-dca7-440c-adbe-6b7f4e266f81.png?v=1783417835","url":"https:\/\/www.naturehike.com\/en-fr\/products\/alpine-ul1100-mummy-down-sleeping-bag","provider":"Naturehike","version":"1.0","type":"link"}