{"product_id":"portable-20d-mummy-outdoor-camping-sleeping-bag-new-winter-hiking-sleeping-bag-650fp-ultralight-duck-down","title":"Naturehike SnowBird 650FP Duck Down Mummy Sleeping Bag – 20D Nylon Winter Camping Bag","description":"\u003cp\u003eThe \u003cstrong\u003eNaturehike SnowBird\u003c\/strong\u003e is built for the moments when the temperature drops below what most sleeping bags can handle. Rated for \u003cstrong\u003e-10°C to -20°C\u003c\/strong\u003e and filled with \u003cstrong\u003e90% duck down at 650FP\u003c\/strong\u003e, this mummy-style bag delivers serious cold-weather performance in an ultralight package. The \u003cstrong\u003e20D nylon shell\u003c\/strong\u003e keeps weight to an absolute minimum while providing the durability needed for demanding winter conditions.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in three sizes — \u003cstrong\u003eM (190 × 75 cm)\u003c\/strong\u003e, \u003cstrong\u003eL (205 × 80 cm)\u003c\/strong\u003e, and \u003cstrong\u003eXL (220 × 85 cm)\u003c\/strong\u003e — and multiple fill weights from 350g to 1090g, the SnowBird lets you dial in exactly the warmth-to-weight ratio your adventure demands. Whether you’re winter camping, alpine trekking, or pushing into sub-zero terrain, this is the bag that goes where others can’t.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eNaturehike\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eNH20DY001 (SnowBird)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eStyle\u003c\/th\u003e\n\u003ctd\u003eMummy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFilling\u003c\/th\u003e\n\u003ctd\u003e90% Duck Down\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFill Power\u003c\/th\u003e\n\u003ctd\u003e650FP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eShell Fabric\u003c\/th\u003e\n\u003ctd\u003e20D Nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTemperature Rating\u003c\/th\u003e\n\u003ctd\u003e-10°C to -20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSeason\u003c\/th\u003e\n\u003ctd\u003eSpring, Autumn, Winter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSize M\u003c\/th\u003e\n\u003ctd\u003e190 × 75 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSize L\u003c\/th\u003e\n\u003ctd\u003e205 × 80 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSize XL\u003c\/th\u003e\n\u003ctd\u003e220 × 85 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFill Weight Options\u003c\/th\u003e\n\u003ctd\u003e350g – 1090g (multiple variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSplicing\u003c\/th\u003e\n\u003ctd\u003eYes – single or double configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eApplicable Users\u003c\/th\u003e\n\u003ctd\u003eAdults\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eKhaki\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Choose the Naturehike SnowBird?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e650FP Duck Down:\u003c\/strong\u003e High fill power means exceptional loft and warmth-to-weight ratio — more warmth per gram than lower-FP alternatives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated to -20°C:\u003c\/strong\u003e One of the most cold-capable bags in the Naturehike lineup — built for serious winter expeditions, not just cool nights.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeatherlight 20D Nylon Shell:\u003c\/strong\u003e Ultralight construction keeps pack weight low without compromising durability in rugged conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree Size Options:\u003c\/strong\u003e M, L, and XL sizes ensure a proper fit for adults of all heights — including taller adventurers up to 220 cm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Fill Weights:\u003c\/strong\u003e From 350g for shoulder-season use to 1090g for extreme cold — choose the exact insulation level your conditions demand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWinter camping and sub-zero expeditions\u003c\/li\u003e\n  \u003cli\u003eAlpine trekking and mountaineering\u003c\/li\u003e\n  \u003cli\u003eCold-weather backpacking in demanding terrain\u003c\/li\u003e\n  \u003cli\u003eAdventurers who need a bag rated below -10°C\u003c\/li\u003e\n  \u003cli\u003eUltralight hikers who prioritize warmth-to-weight performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Naturehike SnowBird Duck Down Mummy Sleeping Bag (size \u0026amp; fill weight as selected)\u003c\/li\u003e\n  \u003cli\u003e1 × Compression storage bag\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Trekker Essentials","offers":[{"title":"SnowBird-7-L(980G)","offer_id":49119385518362,"sku":"14:200004889#SnowBird-7-L(980G)","price":299.0,"currency_code":"USD","in_stock":true},{"title":"SnowBird-7-XL(1090G)","offer_id":49119385551130,"sku":"14:1254#SnowBird-7-XL(1090G)","price":349.0,"currency_code":"USD","in_stock":false},{"title":"SnowBird-3-XL(800G)","offer_id":49119385583898,"sku":"14:200000195#SnowBird-3-XL(800G)","price":349.0,"currency_code":"USD","in_stock":false},{"title":"SnowBird-7-M(880G)","offer_id":49119385616666,"sku":"14:200006154#SnowBird-7-M(880G)","price":259.0,"currency_code":"USD","in_stock":false},{"title":"SnowBird-3-M(650G)","offer_id":49119385649434,"sku":"14:200006156#SnowBird-3-M(650G)","price":259.0,"currency_code":"USD","in_stock":true},{"title":"SnowBird-3-L(720G)","offer_id":49119385682202,"sku":"14:100013777#SnowBird-3-L(720G)","price":299.0,"currency_code":"USD","in_stock":true},{"title":"SnowBird2-L(560G)","offer_id":49119385714970,"sku":"14:365458#SnowBird2-L(560G)","price":299.0,"currency_code":"USD","in_stock":true},{"title":"SnowBird2-XL(620G)","offer_id":49119385747738,"sku":"14:200004890#SnowBird2-XL(620G)","price":349.0,"currency_code":"USD","in_stock":true},{"title":"SnowBird7-XL(420G)","offer_id":49119385780506,"sku":"14:100018786#SnowBird7-XL(420G)","price":349.0,"currency_code":"USD","in_stock":false},{"title":"SnowBird2-M(510G)","offer_id":49119385813274,"sku":"14:200003699#SnowBird2-M(510G)","price":259.0,"currency_code":"USD","in_stock":false},{"title":"SnowBird7-M(350G)","offer_id":49119385846042,"sku":"14:365016#SnowBird7-M(350G)","price":259.0,"currency_code":"USD","in_stock":true},{"title":"SnowBird7-L(380G)","offer_id":49119385878810,"sku":"14:200005536#SnowBird7-L(380G)","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0875\/6058\/5498\/files\/trekker-essentials-portable-20d-mummy-outdoor-camp.webp?v=1770822564","url":"https:\/\/www.trekkeressentials.com\/products\/portable-20d-mummy-outdoor-camping-sleeping-bag-new-winter-hiking-sleeping-bag-650fp-ultralight-duck-down","provider":"Trekker Essentials","version":"1.0","type":"link"}