WHI is a medium-thick trekking sock made with merino wool, a unique natural material that provides excellent thermal insulation and moisture-wicking properties.  The sock is made of a two-layer, smooth knit. The toe and Achilles‘ heel section are made of a two-layer reinforced plush, offering high mechanical resistance and protection against corns and calluses. Wool has excellent antibacterial properties and reduces unpleasant odors.  Material:  70% MERINO WOOL, 15% SILTEX, 10% POLYAMID, 5% LYCRA