The Thermarest NeoAir Venture Large sleeping pad delivers legendary NeoAir comfort to any camp. Built with Thermarests WaveCore construction, the 2.2 R-value pad creates cells of air that retain warmth and shield from the cold. The two-inch (5cm) pad uses tough 50D polyester face that is backcountry ready, giving you confidence during camping and backpacking adventures. The easy-to-pack Venture features the high-performance WingLock valve, allowing the pad to inflate three times faster thanks to a larger opening and one-way inflation. NeoAir Venture L Sleeping Mat