New Ankle guards are made out of high tech long lasting neoprene material made in Japan. The new ankle guards include two MYFIT® SPC™ protection parts on each side. These ankle guards are the best solution to keep your ankles protected against impacts without limiting the movement of your ankles

Small: 4.0-7.0 U.S. Men's Shoe Size
Medium: 7.0-10.0 U.S. Men's Shoe Size
Large: 10.0-12.0 U.S. Men's Shoe Size
XLarge: 12.0-15.0 U.S. Men's Shoe Size