Exped AirMat Lite 5 Camping Backpacking Inflateable Sleeping Pad Top Fabric: 75 D Polyester, TPU Polyether Film Laminate, hydrolysis resistant Bottom Fabric: 75 D Polyester, TPU Polyether Film Laminate, hydrolysis resistant Includes: Mat, Packsack, Repair kit Temperature: 41 F R-Value: 1.70