TKA is a medium thick, trekking sock made from a double plush knit of BB ACRYL material - acrylic and merino wool, which offers high durability and outstanding thermal comfort. The sock has been designed to provide better thermal insulation and protection against blisters. The material has a ribbed structure. The bottom and the heel sections are fitted with a three-layer plush, offering high mechanical resistance and protection against corns and calluses. Material: 55% ACRYL, 25% MERINO WOOL, 15%NYLON, 5% LYCRA - elastan