Klymit Insulated V Ultralite SL Sleeping Pad - Body mapping technology is a patented V-shaped design delivers support and comfort no matter how you sleep, on your side, stomach or back. Klymalite Synthetic insulation is lightweight, compressible and durable, advanced synthetic insulation in the chambers slows the transfer of air between the top and bottom halves of the pad for improved thermal performance. With side rails integrated into the patterning and construction, they provide a secure, comfortable sleep by centering you on the pad and inhibiting air movement while tossing and turning. Deep Weld Patterning is unlike traditional pads that flatten the bag's fill, Deep Welds create expansion zones that allow your bag to fully loft beneath you for improved thermal comfort. Twist-Pull Valve is secure and simple, it allows inflation in as few as 7 breaths and opens wide for rapid, complete deflation. Weight: 15.2 ozDimensions: 72 x 20 x 2.5 in. R-Value 4.4Inflation: 7-10 BreathsPack Size: 4.5 x 7 in.Fabric: 20D Durable PolyesterPatch Kit included for emergency repairs