About this item Ultralight, 1-inch thick foam sleeping pad for lightweight, warm weather backpacking and camping Multi-function reversible valve for fast and easy inflation, one-way deflation for quick packup, and fine-tuning of air pressure Innovative coring technique keeps body contact areas warm and supported, while minimizing bulk; 2.6 R-Value ensures that pad will insulate from late spring to early fall 30D stretch knit fabric is embossed with a grip print to prevent sleeping bag from slipping on the mat, or the mat slipping on the tent floor X-Small size measures 49 x 20 x 1 inches, packs to 4.25 x 11 inches, weighs 0.9 pounds; includes stuff sack and PillowLock patches for securing a Sea to Summit pillow to mat