Specifications:FabricOK cloth/ABS plastic/SCRSizeS/32-35M/36-39L/40-43XL/44-47(If your size is at the critical point or your feet are too fat, please choose one size bigger)Functionused for fixed protection such as ankle sprain/displacement/dislocation, assisting in recoveryWeightS 136gM 145gL 153gX..