The Sea to Summit Ultralight Insulated Sleeping Mat uses the latest in heat preserving technology to ensure you get the best night’s sleep possible. It offers everything you need without sacrificing on the convenience of having a small and lightweight sleeping mat.This innovative sleeping mat uses a single layer of medium resolution Air Sprung Cells™, Exkin® Platinum (a quiet non-woven fabric that reflects your body heat back to you), and Thermolite® insulation to prevent heat loss between your body and the ground. These ensure you will stay warm and comfortable from dusk to dawn. The Sea to Summit Ultralight Insulated Sleeping Mat also comes with a stuff sack to conveniently store your sleeping mat in, a repair kit containing six self-adhesive repair patches, and a spare one-way silicone valve flap. It also has an anti-microbial treatment that prevents issues caused by trapped warm air and moisture.