Thick and comfortable, the Big Agnes Q Core is the insulated air mattress you have been waiting for. Light and compact three season pad, with 3.5 in. of comfort. X Static synthetic insulation with the natural performance of silver filament to enhance thermodynamic, anti microbial and anti odor properties. Alternating I Beam construction creates a smoother, more comfortable feel. Durable, light weight nylon rip stop top and bottom. Add a closed cell foam pad in colder temperatures for extra insulation. Warmth rating to 15degF 9degC estimated R Value of 4.1. Non breakable brass valve with plastic coated EZ FlateTM mouthpiece. Includes stuff sack and repair kit. The repair kit is in a small pocket on the inside of the stuff sack.