The Klimatex MURDY functional thermal underpants for men are made of luxurious material with a seamless technology eliminating skin irritation. The special zones and structures for optimal skin ventilation are made by knitting, not sewing. The extra elastic material adapts to your body. The luxurious material with high polypropylene content, ensures an optimal micro-climate. The polypropylene fibre is lightweight, has excellent thermal and insulation properties, wicks sweat away, keeping the skin dry and free of bad odours, it is colour-fast and prevents the propagation of bacteria. It also wicks moisture away effectively and dries quick. The material is ideal for increased physical stress, helps keep the optimum skin temperature, eliminates fluctuations in temperature between high-effort and rest phases (e.g. active phase of skiing and passive phase on the cable car) and protecting you from the cold.