Three-Season self-inflating mat with TREK S with ratio of 1.8 Tog. It has been tested in accordance with BS EN 13537. The durable and robust outer material (240T Polyester Rip-Stop coated with PVC) effectively isolates from moisture, non-slip underside Moon Dot ensures the stability of mats on the ground. PU foam insulation with a unique shape makes it even at low temperatures, the user is assured of convenience and thermal comfort. Presented mat is extremely simple and easy to use - just unscrew the valve and the mattress in a few minutes will be filled with the air. P> Compared to traditional foam pads, Isomats are more comfortable, warmer and have a smaller size when compressed. Isomats TREK have a higher resistance to mechanical damage thanks to the strengthening of Rip-Stop. However, if by some chance the mat is punctured, simply use the enclosed repair kit in the form of a patch and a tube of glue. TREK mats are offered with a handy dust cover facilitating their storage. P> The coefficient TOG describes the thermal resistance - the level of heat insulation from the ground, comfort. The higher the index the greater the 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.