Versatile, rugged three-season comfort with fast & easy inflation/deflation. Whether you are backpacking or basecamping, you'll love the exceptional comfort of the NeoAir® Trekker SV mattress and the convenience that comes with our new SpeedValve design. Using physics, the special valve makes setting up camp easier by inflating your insulated mattress twice as fast as traditional valves, no pump required. The NeoAir® mattress's patent-pending Triangular Core Matrix construction and reflective ThermaCapture Barrier technology deliver comfort, warmth and stability, and when it's time to move on, the patent-pending, auto-reversing valve deflates the ultralight mattress almost instantly. Stuff sack and repair kit included. Versatile: Light yet durable fabrics combined with exceptional comfort and compactness make this mattress super versatile. Fast Inflation: SpeedValve pulls in surrounding air to amplify your breath, inflating the mattress in half the time of conventional valves. Faster Deflation: Patent-pending auto-reversing SpeedValve deflates almost instantly for quick and easy packing. NeoAir® Advantage: Triangular Core Matrix construction and ThermaCapture Barrier technology provide comfort and warmth. WEIGHT: 650G R VALUE: 4.9 3 SEASON 51 X 183CM THICKNESS: 6.3CM STUFF SACK AND REPAIR KIT INCLUDED.