4-Season Inflatable Sleeping Pad – ASTM R-Value 8.5, 580g, 20D–40D Nylon + TPU Coating, Rapid Inflation Valve | Alpine Expeditions & Extreme Cold Weather Camping
4-Season Inflatable Sleeping Pad – ASTM R-Value 8.5, 580g, 20D–40D Nylon + TPU Coating, Rapid Inflation Valve | Alpine Expeditions & Extreme Cold Weather Camping
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The Olyyra R-8.5 Inflatable Sleeping Pad 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.
The Last Sleeping Pad You'll Ever Need for Extreme Cold
When 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 Olyyra R-8.5 Inflatable Sleeping Pad 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.
⚖️ 580g Ultralight Weight — Maximum Insulation, Minimum Burden
Carrying R-8.5 insulation used to mean carrying serious weight. Not anymore. The Olyyra R-8.5 sleeping pad weighs in at just 580g (±29g) — 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.
🌡️ ASTM R-Value 8.5 — Extreme Cold Protection, Certified
At the top of the R-Value scale sits the Olyyra R-8.5 — certified to the rigorous ASTM testing standard 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.
⚖️ 580g Ultralight Weight — Maximum Insulation, Minimum Burden
Carrying R-8.5 insulation used to mean carrying serious weight. Not anymore. The Olyyra R-8.5 sleeping pad weighs in at just 580g (±29g) — 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.
