The Sea to Summit Comfort Plus XT Insulated Air Sleeping Mat is the perfect mattress for campers who need a relatively small packed mat but dont want to compromise size and comfort. Two layers of XT Air-Sprung Cells provide 3" of unparalleled support - the lower level can be firm for protection against the uneven ground, the upper level fine-tuned to your personal comfort preference, plus redundancy in case of damage to one layer. The 30D / 40D face fabric is quiet and durable, and the lamination technology continues Sea to Summit’s class-leading reliability. R-Value of 5.0 is perfect for year-round adventures. Exkin Platinum insulation reflects your radiant heat back to you. Thermolite insulation prevents convective heat loss. Quick and easy inflation, deflation and adjustment made possible by patent-pending multi-function valve and supplied Airstream Pump/stuff sack. PillowLock included preventing your Aeros Pillow from slipping. Packs down relatively small in the stuff sack. Includes repair kit.