{"product_id":"vango-nitestar-alpha-450-mummy-sleeping-bag","title":"Vango Nitestar Alpha 450 Mummy Sleeping Bag","description":"\u003cp\u003eVango  Nitestar Alpha 450 Mummy Sleeping Bag\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNEW FOR 2026 - Winery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe award-winning Nitestar Alpha 450 SLEEPING BAG delivers exceptional warmth-to-weight performance for year-round camping and expeditions. This 4-season mummy bag features Alpha Insulation—a lightweight 50\/50 blend of polyester and siliconized hollow fibres that traps air for superior heat retention while remaining highly compressible. Designed for comfort from -9°C to 15°C, with a comfort rating of -4°C and extreme limit of -31°C, this bag is ISO 23537-1:2022 certified and recommended for Duke of Edinburgh Award expeditions. \u003c\/p\u003e\n\u003cp\u003eKey features include a soft Polair Hex fabric shell, brushed microfibre lining, anatomically shaped 3D hood with drawcord adjustment, offset construction to eliminate cold spots, and an auto-lock two-way zip with insulated baffle.\u003c\/p\u003e\n\u003cp\u003eThe tapered mummy shape reduces pack size while maximizing thermal efficiency. Horizontal stitching keeps insulation evenly distributed, and an insulated shoulder baffle provides additional heat retention.\u003c\/p\u003e\n\u003cp\u003eAt just 2.25kg, this versatile sleeping bag suits adventurers of all kinds. Internal pocket for storage, hanging loops for easy drying, and a zip guard with anti-catch piping complete the package. Fits users up to 190cm tall.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul id=\"featlist\"\u003e\n\u003cli\u003ePolair Hex Fabric - A strong, durable yet soft touch 68D polyester shell fabric with an embossed hex grid finish.\u003c\/li\u003e\n\u003cli\u003ePolair Lining - A super soft and comfortable 190T brushed polyester microfibre lining thats incredibly warm and soft to touch\u003c\/li\u003e\n\u003cli\u003eAlpha Insulation - A lightweight 50\/50 blend of polyester and siliconized hollow fibres that trapmore air between and within the fibres to increase warmth retention whilst retaining compressibility. A siliconized coating reduces friction to prevent insulation clumping and increases water repellence.\u003c\/li\u003e\n\u003cli\u003eOffset Construction - A double layer design that offsets the shell and lining stitching to reduce cold spots and increase warmth retention.\u003c\/li\u003e\n\u003cli\u003eMummy Shaped Sleeping Bag - Tapers from the shoulders to the foot, reducing pack size and increasing thermal efficiency\u003c\/li\u003e\n\u003cli\u003e3D Hood - Anatomically shaped to provide greater comfort and reduce heat loss. A convenient drawcord closure allows for flexible adjustment in varying temperatures.\u003c\/li\u003e\n\u003cli\u003eHorizontal Stitching - Evenly spaced to hold insulation in place and ensure even distribution throughout\u003c\/li\u003e\n\u003cli\u003eInsulated Shoulder Baffle - Helps retain heat within the sleeping bag. A convenient drawcord closure allows for flexible adjustment in varying temperatures.\u003c\/li\u003e\n\u003cli\u003eZip Guard with Anti-Catch Piping - Helps to prevent the zip from snagging on the lining, allowing easy opening and closing\u003c\/li\u003e\n\u003cli\u003eInsulated Zip Baffle - Prevents heat from escaping along the zip, reducing cold spots within the sleeping bag.\u003c\/li\u003e\n\u003cli\u003eAuto-Lock Two-Way Zip - Seals in warmth and provides adjustable ventilation. Auto-lock prevents the bag from opening during the night and can be accessed from inside the bag\u003c\/li\u003e\n\u003cli\u003eWoven Zip Puller - Allows you to quickly and easily move the zip\u003c\/li\u003e\n\u003cli\u003eInternal Pocket - Provides convenient storage for small items\u003c\/li\u003e\n\u003cli\u003eHanging Loops - Allows you to easily hang your bag for quick and easy drying\u003c\/li\u003e\n\u003cli\u003eISO 23537-1:2022 Certified - Extensively tested to meet industry standard temperature ratings\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"specTable\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eSeason\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4 Season\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003e\n\u003ci title=\"This is the overall total weight of the product\" class=\"fa fa-question-circle\"\u003e\u003c\/i\u003e\u003cspan\u003e \u003c\/span\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2.25kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMummy\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eZip Side\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLeft\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eSuggested Usage Min\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-9°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eSuggested Usage Max\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eInt Length\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e205cm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eInt Chest Width\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e83cm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eInt Foot Width\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e48cm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eExt Chest Width\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e85cm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eMax User Height\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e190cm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eFill Type\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulite Alpha\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eComfort\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-4°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eLimit\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-11°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eExtreme\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e-31°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd\u003eTog\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e11.0\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Vango","offers":[{"title":"Default Title","offer_id":43694413873402,"sku":"0000000641548","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/6842\/3839\/files\/image---1_87e18fc8-30fd-4dab-9b82-1aea697faa80.webp?v=1777801433","url":"https:\/\/www.jacksonsofoldarley.co.uk\/products\/vango-nitestar-alpha-450-mummy-sleeping-bag","provider":"Jacksons of Old Arley","version":"1.0","type":"link"}