Durable WRM high-loft synthetic insulation provides warmth with minimum weight and bulk Lightweight double ripstop nylon fabric improves tear strength and durability by 25% Aviation grade TPU lamination technology for ultimate durability High-volume valve allows for efficient and easy inflation and superfast deflation Built-in advanced heat reflective technology returns your body heat, keeping you warmer Antimicrobial treatment inside the pad prevents microorganism growth Minimalist I-Beam construction reduces weight and provides consistent stability and comfort Larger outer chambers keep you comfortably cradled in the middle of the pad The Insulated Air Core Ultra sleeping pad is rated for temperatures down to 15°F Repair kit and stuff sack included Imported SPECS Best Use:    Backpacking Sleeping Pad Type:   Air Pad Sleeping Pad Shape:   Rectangular Insulation Type:   Synthetic Gender:   Unisex * Weight / Dimensions / Pack Size * Weight:   (P) 1 lb 4 oz / (R) 1 lb 5 oz / (R/W) 1 lb 9 oz / (L) 1 lb 7 oz Dimensions: (P) 66x20x3.5 in / (R) 72x20x3.5 in / (R/W) 72x25x3.5 in / (L) 78x20x3.5 in Pack Size:   (P) 4x7.5 in / (R) 4x8 in / (R/W) 4x8.5 in / (L) 4x8 in