The independent dual layer design of the Sea to Summit Comfort Plus Sleeping Pad allows for individual adjustments to the separate layers so you can fine tune the pad to the perfect amount softness and support. Great for use in cold weather, it uses Exkin Platinum fabric and Thermolite insulation to help keep you warm. Quiet, nonwoven Exkin Platinum fabric reflects heat back toward the user. Thermolite insulation prevents convective heat loss between your body and the ground. Insulation R value: 5 Number of Air Sprung Cells: 514 Thickness: 2.5 in. 6.3 cm. Independent dual layer design allows you to fine tune your sleeping surface. Built in redundancy, thanks to dual layer design if you get a puncture in one layer of the mattress, the other layer remains unaffected. Air Sprung Cells conform to your body, delivering more support and comfort than pads using tubes or baffles. Multifunction valves for fast and easy inflationdeflation and fine tuning of air pressure. 40D nylon ripstop fabric offers the perfect balance between light weight and durability. TPU lamination delivers a better, more consistent bond and virtually eliminates any issues with delaminating. Antimicrobial treatment is added to TPU to prevent any issues caused by warm, moist air trapped inside mat. Includes a stuff sack and repair kit containing six self adhesive patches and a spare silicone one way valve flap.