Revolutionary 37.5 technology maximizes evaporation of moisture for enhanced comfort and performance 360?? extended protection zone from knee, down calf and leg, around Achilles heel, through top of foot Unique Y-seam construction at toe area to improve fit and eliminate bunching inside the toe box 41% Nylon, 24% Cocona 37.5 polyester, 21% DuPont KEVLAR Para-Aramid, 10% Steel, 4% Spandex Upgraded DuPont KEVLAR brand fibers for improved skate blade cut resistant protection Knit in arch support and strategic ventilation zones for added comfort Permanent Anti-Odor feature refreshes after washing Tall sock height with light compression Color:Grey Bauer NG Elite Performance Socks, Medium, Grey MS1284351 MS1284351 680680756260