The so-called Trekking Mats uses special lightweight foam with special cavities. This is essentially about reducing weight and pack size. High insulation and sleeping comfort are maintained.
1 valve
Bottomside: Special fabric black with many small anti-slip stoppers
Material: 10% polyester
Operating Instructions: Roll out this self inflating camping mat, turn on the valves and let in air. After a short time (if no more air flows in) bring the mat to the desired degree of hardness by additional short inflation.