TKO Men's Athletic Crew Socks Sport Performance Charged Crew Socks Machine wash cold gentle cycle 97% Polyester 3% Spandex Fits size 10-13 Shoe size 6-1 Wicks sweat and moisture away from skin Moisture wicking compression ribbing conforms to the shape of your arch for maximum support Sectioned cushioning reduces friction and absorbs impact with every step TKO Block technology to prevent the growth of odor-causing bacteria