The Thermarest LuxuryMap uses pressure mapping technology to offer thoughtful support at camp. Three-inches (7.6 cm) offers generous comfort while the premium foam protects campers from the cold with a 6.0 R-value rating. The soft stretch-knit face fabric offers a luxury sleep surface. The extra-comfy self-inflating pad features the easy-to-use TwinLock valve, allowing the pad to inflate three times faster and deflate five times faster. LuxuryMap L Sleeping Mat