WSM is a thick winter trekking sock made of double-layer plush containing merino wool, which is a unique natural material that provides excellent thermal insulation and moisture wicking.The simple binding of the upper improves overall ventilation of the foot and improves overall thermal balance.The foot and shin part is reinforced with a three-layer plush fabric, ensuring walking comfort and long sock life in the most stressed parts.There is an elastic bandage on the ankle.MATERIAL:85% MERINO WOOL, 10% SILTEX, 5% LYCRA.