Description of Insul-Mat AO Lite 2/3 Sleeping Pad The lightest 3 season full length self inflating sleeping pad is here!!!! This new redesign has its roots in the Maxlite series of yesteryear, with an air-core twist. The new air-core tubes keep you on the pad while complementing the weight shaving mummy shape. This pad sleeps like its 25" wide, but carries like a feather. Features: Bermed Air-loft Thermo side rails Weight shaving lightweight foam Fully die cut for weight and bulk reduction Sleeping bag like mummy shape 50D DRS globe trotting durability Sticky - S print Dimensions: 20 x 48 x 1.0in. (51 x 122 x 2.5cm) Weight: 13oz (360 g.)