The Big Agnes Air Core Ultra sleeping pad provides a smooth and stable sleeping surface which is easy and fast to inflate/deflate and packable. Aviation grade TPU lamination technology for ultimate durability High volume valve allows for efficient and easy inflation and super-fast deflation Quick deflation valve One way inflation valve with micro air pressure adjust button Thickness: Outer: 3.5”/ 9cm Inner: 3.25”/ 8cm Larger outer chambers keep you comfortably cradled in the middle of the pad Antimicrobial treatment inside the pad prevents microorganism growth Repair kit included