Therm-a-Rest Z-Lite SOL Sleeping Pad Blue/Silver Regular. Factoring in the system of heat trapping dimples the Z Lite SOL has an R-Value of 2.0 making it perfect for use on its own in warmer weather or layering under another pad for extra warmth in the cold. The proprietary foams are softer on top for extra comfort and denser on the bottom for extra durability making the Z Lite SOL an idealclosed-cell foam pad for those in need of an ultralight highly compact and super-reliable sleep system. Specifications for Therm-a-Rest Z-Lite SOL Sleeping Pad: Manufacturer: Therm-a-Rest Fabric/Material: Crosslinked Polyethylene Sleeping Pad Type: Foam Pads Thickness: 0.75 in Application: Backpacking Seasonal/Temperature Use: 3 Season R Value Range: 2 Height: 0.75 in Width: 20 in Age Group: Adults Features of Therm-a-Rest Z-Lite SOL Sleeping Pad Advanced Warmth: ThermaCapture surface reflects radiant heat back to your body amplifying the warmth of the heat-trapping dimples by 15percent; use reflective side-up. Compact Design: Folding design is compact and easy to pack. Extra Durable: Virtually indestructible the proprietary closed-cell foam provides lasting economical comfort. Layer It: Add 2.0 R-Value and protection from punctures when you layer the Z Lite SOL under another sleeping pad. Endless Utility: Sleeping pad sitting pad mosquito swatter... Fold it and find your best uses Package Contents: Therm-a-Rest Z-Lite SOL Sleeping Pad Therm-a-Rest 13267: Z-Lite SOL Sleeping Pad Blue/Silver Regular