The Ether Light XT Extreme is a men's sleeping pad from Sea to Summit, with an R-value of 6.2, designed to withstand extreme temperatures. As robust as it is insulating, the Ether Light XT Extreme offers you a comfortable thickness of 10 cm, combined with a lightweight and quiet fabric, allowing you to sleep peacefully, no matter where you spend the night. Functional and high-performing, the Ether Light XT Extreme is also equipped with Ultra-Fresh® anti-mold treatment, as well as the Pillow Lock™ feature that allows you to attach a pillow to the pad for even more comfort. You also have a high-flow valve and an included Airstream™ pump sack, enabling quick and efficient inflation and deflation. And if you ever damage your sleeping pad, you can immediately repair it with the self-adhesive patches also included with your Ether Light XT Extreme. Ready for any adventure with peace of mind. Materials: 30/40D lightweight, quiet, and grippy nylon fabric Dual-density Thermolite® insulation layers Extra thick (XT) construction with air-sprung cells Inflation type: pump Thickness: 10 cm R-value: 6 Seasons: 4 seasons Ultra-Fresh® antimicrobial treatment added to the TPU formula to prevent internal mold growth Pillow Lock™ to attach an Eros™ pillow to the pad High-flow multi-function valve and Airstream™ pump sack included for quick and easy inflation, deflation, and adjustment Repairable on-site with included self-adhesive patches Sea to Summit - Ether Light XT Extreme - Regular: Dimensions: 183 x 55 cm Packed dimensions: 17.5 x 24 cm Weight: 720 g Sea to Summit - Ether Light XT Extreme - Large: Dimensions: 198 x 64 cm Packed dimensions: 18.5 x 28 cm Weight: 950 g Sea To Summit Ether Light XT Extreme - Sleeping pad - Men's