PRODUCT DETAILSExkin Platinum fabric and Thermolite insulation are combined to prevent radiant and convective heat lossAvailable in tapered and rectangular shapesThickness: 2.5 in / 6.3 cmDual layer design ensures a level of built-in redundancy; if you do end up with a puncture in one layer of the mattress, the other layer remains fully functionalMulti-function valve for easy inflation, deflation and fine tuning of air pressure40D rip-stop nylon face fabric offers the right balance between weight and durabilityOur TPU lamination process - one used in the medical and aeronautical industries but unique to the outdoor industry - is vastly superior to the roll-to-roll lamination process that is commonly used in outdoor products at present. The TPU bonds better and more consistently, virtually eliminating delamination issuesComes with a quality stuff sack, a repair kit containing six self adhesive patches for repairing punctures in the field, and a spare silicone one-way v