Three-Season self-inflating mat EXPEDITION with a coefficient of 1.8 Tog. It has been tested in accordance with BS EN 13537. It has a specially contoured insulation foam PU (round, open mini-cells) - After filling in with the air, the thickness of cushion is 5 cm, and the rest of the mattress 2.5 cm. This design increases comfort and protects the body against moisture and cold. P> The outer layer of the mat is an extremely durable material 240T Polyester with TPU coating, which, thanks to the strengthening of Rip-Stop is resistant to abrasion and tearing. In addition, from the bottom anti-skid system of Moon Dot is used that can stabilize the mat on the substrate. Presented mat is equipped with a copper valve nut, you must unscrew it and within a few minutes the mat will be filled with air. EXPEDITION model is offered with a repair kit (patch and a tube of glue), and carrying case to facilitate storage of foam pad. P> The coefficient TOG strong> describes the thermal resistance - the level of heat insulation from the ground, comfort. The higher the index the greater the Tog thermal properties at a lower temperature. The standard for mat 1-3 season is 1.5 to 2.5 Tog, for 4-season mat from 2.5 to 4 Tog, the mat 5-seasonal (expeditionary and arctic) above 4.5 Tog.