{"product_id":"horizon-x-inflatable-4-season-inflatable-sleeping-pad","title":"4-Season Inflatable Sleeping Pad – ASTM R-Value 8.5, 580g, 20D–40D Nylon + TPU Coating, Rapid Inflation Valve | Alpine Expeditions \u0026 Extreme Cold Weather Camping","description":"\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe \u003cstrong\u003eOlyyra R-8.5 Inflatable Sleeping Pad\u003c\/strong\u003e is the pinnacle of cold-weather sleep system engineering. With an ASTM-certified R-Value of 8.5, a featherlight 580g weight, a packed size smaller than a water bottle, and a rapid inflation valve system — this pad is purpose-built for alpine expeditions, extreme cold environments, and backcountry missions where failure simply isn't an option.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eThe Last Sleeping Pad You'll Ever Need for Extreme Cold\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhen the temperature drops to its most brutal and the terrain gets its most unforgiving, your sleeping pad is the only thing standing between you and the frozen ground. The \u003cstrong\u003eOlyyra R-8.5 Inflatable Sleeping Pad\u003c\/strong\u003e is engineered from the ground up for alpinists, expedition campers, and elite backcountry adventurers who demand the absolute best in thermal insulation, packability, and durability — without adding unnecessary weight to their pack.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e⚖️ 580g Ultralight Weight — Maximum Insulation, Minimum Burden\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eCarrying R-8.5 insulation used to mean carrying serious weight. Not anymore. The Olyyra R-8.5 sleeping pad weighs in at just \u003cstrong\u003e580g (±29g)\u003c\/strong\u003e — an extraordinary achievement for a pad at this insulation rating. Every gram matters on a technical alpine ascent or a multi-week expedition, and Olyyra delivers the warmth you need without the weight penalty you'd expect.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e🌡️ ASTM R-Value 8.5 — Extreme Cold Protection, Certified\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAt the top of the R-Value scale sits the \u003cstrong\u003eOlyyra R-8.5\u003c\/strong\u003e — certified to the rigorous \u003cstrong\u003eASTM testing standard\u003c\/strong\u003e for sleeping pad insulation. An R-Value of 8.5 represents elite-level thermal protection, capable of insulating you from the most extreme sub-zero ground temperatures found on glaciers, high-altitude basecamps, and deep winter snowfields.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e⚖️ 580g Ultralight Weight — Maximum Insulation, Minimum Burden\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eCarrying R-8.5 insulation used to mean carrying serious weight. Not anymore. The Olyyra R-8.5 sleeping pad weighs in at just \u003cstrong\u003e580g (±29g)\u003c\/strong\u003e — an extraordinary achievement for a pad at this insulation rating. Every gram matters on a technical alpine ascent or a multi-week expedition, and Olyyra delivers the warmth you need without the weight penalty you'd expect.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"olyyra","offers":[{"title":"Standard","offer_id":45706459873466,"sku":"IP-AL-RE-01","price":124.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/4145\/7850\/files\/Frame_5227_ca828417-a18c-4d08-bb34-fc6c1ff4ac2b.webp?v=1773498827","url":"https:\/\/olyyra.com\/products\/horizon-x-inflatable-4-season-inflatable-sleeping-pad","provider":"olyyra","version":"1.0","type":"link"}