As worn by professionals like Gareth Bale in the English Premier League.Treat your feet with TRUSOX. By locking feet into the shoe, TRUSOX make for easier change of direction and shot control. These socks are also proven to reduce blisters and enhance comfort. Thanks to non-slip applications both on the inside of the sock and on the outside of the sock, Trusox make your foot more stable within your shoe.HOW TO WEAR TRUSOX FOR GAME PLAY?For match play when a team sock is required, players at all levels simply cut the foot out of their team sock. Then wear the team sock as a leg sleeve over their TRUSOX. Some use tape as a final step, but it's not required.M - Men's shoe 6 to 8.5; Women's shoe 7 to 9.5L - Men's shoe 8.5 to 11; Women's shoe 9.5 to 12.5XL - Men's shoe 11.5 to 14.560/39/1 nylon/cotton/spandex. Made in USA.