The Big Agnes Air Core Pad is designed for those that covet ultra light, compact gear. They are not self inflating, but in a few breaths you will enjoy out of this world comfort. 3 season Air Core pad has a 35 deg. Temperature rating and an R Value of 1.5. 3.25 thick pad is lightweight at 18oz. and packs to a small, compact 4 x 10. It is about the size of a Nalgene bottle. If used in a Big Agnes sleeping bag, the pad can be deflated, left in the pad sleeve and stuffed in the sleeping bag stuff sack. The mummy shape is 20 wide x 72 long x 3.25 thick. The I beam construction technique is functionally superior to the typical welded through construction of other air mats. Die cut holes in each I beam allow air to flow freely between chambers giving constant support and comfort. I beam construction makes inflation quick and easy. Durable, lightweight Polyester rip stop top and bottom. Durable, water repellent DWR coating sheds water and stains. Internal polyurethane PU coating makes pad waterproof and air tite. Metal valve with plastic coated EZ Flate mouthpiece Air Core Pads come with a stuff sack and repair kit. Color: Red Import.