{"product_id":"highlander-nap-pak-arctic-r11-inflatable-sleeping-mat","title":"Highlander Nap-Pak Arctic R11 Inflatable Sleeping Mat","description":"\u003cp\u003eThe Highlander Nap-Pak Arctic R11 is a four-season inflatable sleeping mat built for cold-weather camping, winter expeditions and backpacking where ground insulation matters most. Its independently tested R-value of 11 (ASTM F3340) places it well above typical winter mats, which generally sit in the R6 to R8 range, and gives genuine year-round capability in a mat that weighs 900g and packs to 28 x 14cm.\u003c\/p\u003e\n\u003cp\u003eA three-layer aluminium foil system delivers the exceptional warmth-to-weight ratio, while 10cm air-cell baffles distribute body weight evenly across the mat for a supported, comfortable sleeping surface. The shell is 20D ripstop nylon and the dual-layer TPU valve allows straightforward inflation, fine adjustment and rapid deflation. For those who want the same R11 insulation in a lighter, mummy-shaped format, see the \u003ca href=\"\/en-us\/products\/nap-pak-arctic-r11-mummy-inflatable-sleeping-mat\" target=\"_blank\"\u003eNap-Pak Arctic R11 Mummy Lite\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-Value of 11, ASTM F3340 Tested\u003c\/strong\u003e - Independently verified four-season insulation, well above the R6-R8 range of typical winter mats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-Layer Aluminium Foil Insulation\u003c\/strong\u003e - Maximises warmth-to-weight performance across the full mat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10cm Air-Cell Baffle Construction\u003c\/strong\u003e - Distributes weight evenly for a comfortable, supported sleeping surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20D Ripstop Nylon Shell\u003c\/strong\u003e - Lightweight yet durable construction for regular outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Layer TPU Valve\u003c\/strong\u003e - Fast inflation, easy firmness adjustment and quick deflation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e900g Without Stuff Sack\u003c\/strong\u003e - Strong warmth-to-weight ratio for a four-season mat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacks to 28 x 14cm\u003c\/strong\u003e - Compact enough for backpacking and multi-day trips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStuff Sack Included\u003c\/strong\u003e - Keeps the mat protected and contained when packed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWinter and Cold-Weather Camping\u003c\/strong\u003e - R11 insulation handles frozen ground and snow conditions as part of an appropriate sleep system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilitary and Field Use\u003c\/strong\u003e - R11 insulation and compact pack size suit cold-weather deployments and field camps where ground insulation is critical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Season Backpacking\u003c\/strong\u003e - Compact and light enough for multi-day trips across all seasons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpeditions and Extended Field Use\u003c\/strong\u003e - Dependable ground insulation for sustained use in demanding environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear-Round Outdoor Adventures\u003c\/strong\u003e - High R-value removes the need to switch between seasonal mats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"responsive-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHighlander\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eR-Value\u003c\/th\u003e\n\u003ctd\u003eR11 (ASTM F3340 tested)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeason Rating\u003c\/th\u003e\n\u003ctd\u003e4-season\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e10cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e189 x 63 x 10cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePacked Size\u003c\/th\u003e\n\u003ctd\u003e28 x 14cm (diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e900g (without stuff sack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInsulation\u003c\/th\u003e\n\u003ctd\u003e3-layer aluminium foil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShell Material\u003c\/th\u003e\n\u003ctd\u003e20D ripstop nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eValve\u003c\/th\u003e\n\u003ctd\u003eDual-layer TPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eIncluded\u003c\/th\u003e\n\u003ctd\u003eStuff sack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eAIR078\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eThis product is covered by Highlander's \u003ca href=\"\/en-us\/pages\/highlander-282-year-guarantee\" target=\"_blank\"\u003e282 Year Guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWarranty Exclusions\u003c\/h3\u003e\n\u003cp\u003eThis warranty does not cover damage caused by normal wear and tear, misuse, accidents, modifications, or failure to follow care instructions.\u003c\/p\u003e","brand":"Highlander","offers":[{"title":"Blue","offer_id":52817956995339,"sku":"5034358892944","price":75.0,"currency_code":"USD","in_stock":false},{"title":"Olive Green","offer_id":52817956962571,"sku":"5034358892951","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/0007\/0155\/files\/nap-pak-arctic-sleeping-mat-highlander-blue-1.webp?v=1771322684","url":"https:\/\/taskoutdoor.co.uk\/en-us\/products\/highlander-nap-pak-arctic-r11-inflatable-sleeping-mat","provider":"Task Outdoor","version":"1.0","type":"link"}