SKU: SS21329 Mat Size: Regular Wide Mat Type: Airbeds Season Rating: Winter R-Value: 6.2 Weighs: 980g UOG TOP PICK - Ether Light XT Extreme Sleeping Mat Builds on the success of the original Ether Light XT comes this Extreme version. With double the amount of insulation and an R-Value almost twice as high this mat will c… Ether Light XT Extreme Sleeping Mat - Rectangular Regular Wide