Four-season self-inflating foam pad EXPLORER with ratio of 3.9 Tog. It has been tested in accordance with BS EN 13537. Its strong and pleasant to the touch outer material (75D polyester with PVC coating) protects from moisture. A used insulation profiled PU foam with open cells structure provides adequate thermal comfort while camping or trekking at low temperatures. Presented mat is extremely simple and easy to use - just unscrew the valve, a mattress in a few minutes be filled with the air. Self-inflating mat EXPLORER is perfect for bivouacs and trekking expeditions. It has an integrated pillow, which increases comfort while sleeping in the field.Compared to traditional foam pads, Isomats are more comfortable, warmer and have a smaller size when compressed. With their high thermal comfort corresponds to a specially designed construction. The mat EXPLORER is offered together with a repair kit (patch and a tube of glue), and carrying case to facilitate storage of the mattress. The coefficient TOG 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.