"Stay warm at night on your alpine backpacking adventures with the Klymit Insulated V Ultralite Sleeping Pad. This backpacking pad features an R-value of 4.4 thanks to lightweight, compressible Klymalite synthetic Insulation so you can extend your camping adventures to all 4 seasons. Body mapping technology uses a patented V-shaped design to support your body no matter if you're a side, stomach, or back sleeper, and built-in side rails keep you from sliding off the air mattress in the night so you don't wake up on the cold, hard ground. The Static V Ultralite sleeping pad has a deep weld patterning to allow your sleeping bag to retain it's warmth-providing loft. Made from 20-denier polyester. Comes with a patch kit for easy repairs. 72""L x 20""W x 2.5""H. Weight: 16 oz. Mfrs. lifetime warranty.Manufacturer model #: 06IUOR02C. Super-lightweight design ideal for backpacking Compressible Klymalite synthetic Insulation Boasts an R-value of 4.4 to deliver 4-season comfort V-shaped design provides support for all sleeping positions Integrated side rails keep you centered on the pad Deep weld patterning maximizes your sleeping bag's loft 20-denier polyester construction"