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-Flate(TM) mouthpiece. Includes stuff sack and repair kit. The repair kit is in a small pocket on the inside of the stuff sack.