Engineered and made in the USA for military, emergency and other response services, Thorlo Tactical Work Crew Socks provide maximum foot protection while wearing unforgiving tactical or duty boots. With anatomical contouring and targeted padding in the weight-bearing areas of the ball and heel, the socks defend against impact in the street, on the job or in the field. Thorlo Tactical Work Crew Socks are manufactured with a low profile toe seam that won\'t rub or irritate feet, and using the company\'s own soft, highly durable and moisture wicking Thor-Lon and Thor-Wick Cool yarns, clinically tested and shown to reduce pain, blisters, pressure, and moisture.