The Sea To Summit Camp self-inflating mattress is a durable and comfortable camping mattress for all situations. It has a multi-function high-flow valve to allow one-way inflation and more precise adjustment for comfort. It is also made with Delta Core V™ cut foam which makes the mattress lighter, so that the total weight of the mattress is reduced by 20%.   Technical specification: Multi-function high-flow valve Delta Cores™ dual zone construction that improves comfort where the body is in contact with the mattress Anti-slip coating  Polyester 75D and extrusion laminated TPU for added strength Pillow Lock™ to hold the Aeros™ pillow in place on the mattress. Sea To Summit Camp Self Inflating mat camping mat