Therm-a-Rest NeoAir Camper SV Camping Air Mattress Three-season inflatable sleeping pad for camping brings the comforts of home to the outdoors Reflective ThermaCapture technology traps body heat while WaveCore baffled construction provides stability and minimizes heat loss; R-Value 1.8 Suited to spring, summer, and fall sleeping weather, the 3.0-inch thick rectangular mattress provides exceptional comfort SpeedValve pulls in surrounding air to amplify the breath, quickly inflating the mattress; auto-reversing the valve deflates the mattress quickly Large measures 77x25x3 inflated, packs to 12x6x6 inches, and weighs 37 ounces; stuff sack and repair kit included