Details Therm-a-rest NeoAir Venture Insulated Sleeping Mat The NeoAir Venture is a light sleeping mat using insulated cells in horizontal baffles to provide warmth, durability and a stable sleep without the bulk. 5cm of loft ensures a comfy night's rest and it will pack down easily into the supplied stuff sack. Weight: 560g WaveCore™ construction provides twice the warmth of uninsulated air mattresses. R-Value: 1.8 Dimensions: 51 x 183 x 5cm Packed Size: 23 cm x 11.5cm Materials: Top: 75D polyester Bottom: 75D polyester Specifications NeoAir Venture Insulated Sleeping Mat