... Product standard: ASTM D3421-75 Detail product descriptionwrist support,ankle support,ankle brace, knee braceSize : S,M,L,and XL ... and functions: the ankle support is a professional quality ankle brace designed to treat all ankle injuires including high ankle sprains, Engineered ... maxium protection.First left or right ankle and any style shoe Ankle brace with face up front and intrnal figure-eight ...