{"product_id":"snowbird-base-sp550-mummy-sleeping-bag","title":"Snowbird™ Base SP550 Mummy Sleeping Bag 29°F \/ -1°C","description":"\u003cp\u003e\u003cstrong\u003eSnowbird™ Base SP550 Mummy Sleeping Bag 29°F \/ -1°C,\u003c\/strong\u003e \u003cspan class=\"\"\u003eRDS-certified 650FP down sleeping bag with square baffle construction and 20D fabric — engineered for comfort in the wild.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e650FP Water-Repellent Duck Down\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e– Filled with 650FP down that resists moisture and maintains loft even after 120+ minutes of soaking. With 90% down content and 1000mm+ cleanliness rating, it delivers odor-free, long-lasting warmth. RDS-certified for humane and fully traceable sourcing from farm to finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDual-Zipper Multi-Mode System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e– Features side-open, full-open, and foot-vent modes, allowing you to free your arms, stretch your legs, or open it completely as a blanket. Sleep in any position without feeling confined. (*Foot-vent and full-open modes not available on BASE1100 model.)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSquare Baffle Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e– Vertical baffles divide the down into independent square compartments, preventing fill from shifting or clumping. This ensures consistent, even insulation across the entire sleeping bag with no cold spots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e20D Ultra-Light Fabric\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e– Crafted from lightweight 20D fabric that is water-repellent, breathable, and tear-resistant. It offers reliable protection against light moisture and outdoor wear while keeping the bag featherlight and easy to pack.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Naturehike","offers":[{"title":"M","offer_id":49099707875584,"sku":"6927595710715","price":27500.0,"currency_code":"JPY","in_stock":false},{"title":"L","offer_id":49091415539968,"sku":"6927595707678","price":29200.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0490\/8954\/4346\/files\/3000_8_6810d5cc-534f-481b-b2c5-4af6b4e47740.jpg?v=1785304459","url":"https:\/\/www.naturehike.com\/en-jp\/products\/snowbird-base-sp550-mummy-sleeping-bag","provider":"Naturehike","version":"1.0","type":"link"}