Fulfilled by our friends at Klymit Body Mapping Technology: Our patented V-shaped design delivers support and comfort no matter how you sleep ; on your side, stomach or back.Klymalite'NA Synthetic insulation: Lightweight, compressible and durable, advanced synthetic insulation in the chambers slows the transfer of air between the top and bottom halves of the pad for improved thermal performance.Side Rails: Integrated into the patterning and construction, they provide a secure, comfortable sleep by centering you on the pad and inhibiting air movement while tossing and turning.Deep Weld Patterning: Unlike traditional pads that flatten the bag&';s fill, Deep Welds create expansion zones that allow your bag to fully loft beneath you for improved thermal comfort.Patch included for emergency repairsPRODUCT SPECIFICATIONSWEIGHT 32 oz / 907 gMATERIAL 75D polyesterDIMENSIONS 76 x 30 x 3 in / 193 x 76 x 8 cmPACKED DIMENSIONS 10 x 5 in / 25 x 13 cmR-VALUE 5.0/ASTM 2.4WARRANTY Limited Lifetime