The M-Tac’s Coolmax 75% XLong socks are one of the most popular products for men . Sewn from innovative technological material (75% Coolmax, 17% nylon, 8% elastane) . It is pleasant to the touch, elastic, and provides excellent thermoregulation so that the socks do not sweat. A dense elastic band fixes well on the leg, preventing the socks from curling or sliding. Anatomical shape ensures comfortable wearing in shoes and prevents chafing. Coolmax 75% XLong socks are perfect for everyday use and will contribute to maximum comfort when walking or staying long in the shoes. Material: -75% Coolmax -17% Nylon -8% Elastane A special moisture-wicking fiber was designed and developed by DuPont. This fabric is made of polyester, it is not round in cross-section, but consists of four circles. As a result, the Coolmax fiber has a surface area 20% wider than round fiber and has increased capillary properties. This unique structure wicks moisture away from the body much faster and transfers it directly to the outer surface of the clothes, where it evaporates immediately.