The Chinook Trailrest X-Large size mattress 76" x 25" is a must when sleeping outdoors. Bonded with single high-flow air valves. This is a terrific all-purpose mattress for backpacking and camping trips, giving you that extra comfort and insulation when you're camping out. Comes with stuff sack and web straps for easy packing and storage. Need one a little smaller? Click here.