{"product_id":"cotton-winter-sleeping-bag","title":"Cotton Winter Sleeping Bag","description":"\u003ch3\u003e\u003cstrong\u003eReal cotton warmth, without the weight you'd expect from it\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eRated for 0°C to 5°C nights at just 1.8kg, with a splicing design that lets two bags zip together into one shared double-width space. Backed by a 30-day return window.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUltra-lightweight at 1.8kg despite genuine cotton filling for winter-rated warmth\u003c\/li\u003e\n\u003cli\u003eComfortable temperature range of 0°C to 5°C, built for cold-weather and winter camping\u003c\/li\u003e\n\u003cli\u003eSplicing design connects two compatible bags together into one shared double-width sleeping space\u003c\/li\u003e\n\u003cli\u003eWaterproof, durable nylon shell resists moisture in damp outdoor conditions\u003c\/li\u003e\n\u003cli\u003eEnvelope-style design with a snug fit for efficient heat retention\u003c\/li\u003e\n\u003cli\u003eFits adults up to 1.8m in height\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilling\u003c\/td\u003e\n\u003ctd\u003eCotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShell fabric\u003c\/td\u003e\n\u003ctd\u003eNylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfortable temperature range\u003c\/td\u003e\n\u003ctd\u003e0°C – 5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.8kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePacked size\u003c\/td\u003e\n\u003ctd\u003e27 x 27 x 44cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBag size\u003c\/td\u003e\n\u003ctd\u003e(190+30) x 75cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnfolded size\u003c\/td\u003e\n\u003ctd\u003e75 x 220cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeason rating\u003c\/td\u003e\n\u003ctd\u003e3-season, winter rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits height\u003c\/td\u003e\n\u003ctd\u003eUp to 1.8m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eGreen, Brown — left\/right zip orientation for splicing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ How warm is this actually rated for?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eA comfortable temperature range of 0°C to 5°C — built for cold-weather and winter camping, not a 3-season-only bag stretched past its limit.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ How much does it weigh?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e1.8kg — genuinely lightweight for a cotton-filled winter bag.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ Can I connect two together?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — the splicing design lets two compatible bags zip together into one double-width bag. Pick the correct left\/right zip orientation so the two sides line up.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ Is it waterproof?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the nylon shell resists moisture in damp outdoor conditions.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ What height does it fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAdults up to 1.8m tall.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ How small does it pack down?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e27 x 27 x 44cm packed.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003e➤ What if it's not the right fit for me?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBacked by a 30-day return window, no questions asked.\u003c\/p\u003e\u003c\/details\u003e","brand":"Rational Steel","offers":[{"title":"Green \/ Left (combines with right)","offer_id":53548170313994,"sku":null,"price":139.99,"currency_code":"GBP","in_stock":true},{"title":"Green \/ Right (combines with left)","offer_id":53548172345610,"sku":null,"price":139.99,"currency_code":"GBP","in_stock":true},{"title":"Brown \/ Left (combines with right)","offer_id":53548170903818,"sku":null,"price":139.99,"currency_code":"GBP","in_stock":true},{"title":"Brown \/ Right (combines with left)","offer_id":53548172378378,"sku":null,"price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/7522\/9194\/files\/sleepingbagmain.png?v=1787722848","url":"https:\/\/rationalsteel.com\/products\/cotton-winter-sleeping-bag","provider":"Rational Steel","version":"1.0","type":"link"}