Size XS/S = Calf size 9.5"-12.5" Size S/M = Calf size 12.5"- 15" Size L/XL = Calf size 15"+ * Unique knit supports calves and shins with compression ribbing * Can be worn during training for support or after to encourage recovery * Sold individually - please purchase two if you would like a pair * Anti-microbial fabric resists odor