Engineered to provide comfort and warmth to women adventurers wanting to travel lightly, the Women’s Comfort Light Self-Inflating Sleeping Mat is constructed with warmth zones in the hip and foot area to provide extra support and insulation where women need it most. Silicone prints on the upper surface prevent your sleeping bag from slipping, and the flip-over multi-function valve makes rolling up the self-inflating sleeping pad quick and easy. 3.8 R-Value is warm enough for all but the coldest ground. Two inch thick foam offers superb comfort and protects against being able to feel uneven terrain. Women’s Delta Core technology provides extra comfort and insulation for hips and feet, in a relatively light and packable self-inflating sleeping pad. Woven 30D polyester face fabric chosen for its light weight and strength. Silicone print prevents your sleeping bag from slipping on the pad, and the pad from slipping on the tent floor Flip-over multi-function valve for fast and easy inflation, deflation and fine-tuning of air pressure. PillowLock system prevents your Sea to Summit Aeros Pillow from slipping. Regular: 21 x 67 in (Weight: 1 lb 8 oz) Large: 23 x 72 in (Weight: 1 lb 11 oz) Sea to Summit Women's Comfort Light Self-Inflating Sleeping Mat