Sea to Summit Ether Light XR Insulated ASC mat Rectangular Sleeping

ThermalCore insulation consists of multiple TRM layers that are quiet and reflect back infrared energy to the sleeper for increased insulation Extended 3 season capable, ASTM-tested R-Value of 4.1 Lighter weight and significantly reduced packed size compared to prior models Air Sprung Cell construction, 10cm | 3.9in thick for plush, stable comfort in any sleeping position XPRESS valve and pumpsack integrated into stuff sack make inflation, adjustment and deflation a breeze