{"product_id":"3f-ul-gear-tyvek-bivvy-bag","title":"3F UL Gear Tyvek Bivvy Bag","description":"\u003cdiv\u003e\n\u003ch1\u003e3F UL Gear Tyvek Bivvy Bag\u003c\/h1\u003e\n\u003cp\u003eStay warm and dry with the 3F UL Gear Tyvek Bivvy Bag, a lightweight, breathable shelter designed for mummy sleeping bags and quilts. It shields against tent condensation and dirt while adding extra insulation for all-weather camping.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.woodtowater.co.uk\/wp-content\/uploads\/2022\/05\/tyvekbanner.jpeg\" sizes=\"(max-width: 800px) 100vw, 800px\" srcset=\"https:\/\/www.woodtowater.co.uk\/wp-content\/uploads\/2022\/05\/tyvekbanner.jpeg 800w, https:\/\/www.woodtowater.co.uk\/wp-content\/uploads\/2022\/05\/tyvekbanner-300x161.jpeg 300w, https:\/\/www.woodtowater.co.uk\/wp-content\/uploads\/2022\/05\/tyvekbanner-768x412.jpeg 768w, https:\/\/www.woodtowater.co.uk\/wp-content\/uploads\/2022\/05\/tyvekbanner-600x322.jpeg 600w\" alt=\"Tyvek Bivy bag\" width=\"800\" height=\"429\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Tyvek is ultralight, waterproof, and breathable, letting vapour escape while keeping moisture out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Designed for mummy sleeping bags and quilts; acts as an outer shield to keep your bag clean in wet or muddy conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight\u003c\/b\u003e: Type A (Quilt) 135g; Type B (Mummy) 200g—choose the option that best fits your pack weight and space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Type A 180 cm x 145 cm (70.8\" x 57.09\"); Type B 230 cm x 90 cm (90.55\" x 35.43\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePacked size\u003c\/b\u003e: 16 cm x 8.5 cm (6.3\" x 3.35\") for compact carry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClosure\u003c\/b\u003e: With Zip or Zipless option—zip provides easy entry\/exit and a bit more protection, while zipless reduces weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColor\u003c\/b\u003e: White, a practical choice for alpine and snowy environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eContents\u003c\/b\u003e: 1 x Tyvek Bivy Bag plus 1 x Compression Sack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAll-weather use\u003c\/b\u003e: Suitable for all-weather camping, with the caveat that heavy downpours are best handled with a proper shelter or a heavier bivvy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAlternative option\u003c\/b\u003e: For harsher rain, consider a heavier bivvy like the Bushmen HIDEOUT Thermo.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis bivvy bag protects your sleeping bag from moisture and dirt, while the breathable Tyvek helps reduce condensation buildup inside your shelter. It adds a touch of insulation on cold nights, helping you stay warmer without bulky layers. The two closure options let you tailor weight and convenience to your trip — opt for the zip version when ease of access matters most, or the zipless version when every gram counts for long treks. Free delivery over £60 makes this practical upgrade easy for weekend trips or longer expeditions.\u003c\/p\u003e \u003cbr\u003e \u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003ePacked size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo Zip Type A(Quilt)\u003c\/td\u003e\n\u003ctd\u003e135g\/4.76oz\u003c\/td\u003e\n\u003ctd\u003e180cm*145cm \/ 70.8″* 57.09″\u003c\/td\u003e\n\u003ctd\u003e16cm* 8.5cm\/6.30″ *3.35″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWith Zip Type B(Mummy)\u003c\/td\u003e\n\u003ctd\u003e200g\/7.05oz\u003c\/td\u003e\n\u003ctd\u003e230cm*90cm\/90.55″* 35.43″\u003c\/td\u003e\n\u003ctd\u003e16cm* 8.5cm\/6.30″ *3.35″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Wood To Water Outdoors","offers":[{"title":"No Zip","offer_id":56562579898693,"sku":"Tyvek bivy A (6970919906806)","price":25.0,"currency_code":"GBP","in_stock":false},{"title":"With Zip","offer_id":56562579931461,"sku":"Tyvek bivy B (6970919907025)","price":32.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/3767\/0213\/files\/3f-ul-gear-tyvek-bivvy-bag-2530493.jpg?v=1765389969","url":"https:\/\/www.longshottactical.co.uk\/products\/3f-ul-gear-tyvek-bivvy-bag","provider":"Longshot Tactical","version":"1.0","type":"link"}