Saucony Women's Hurricane 16 100% Synthetic and mesh Imported Synthetic sole This is a stability shoe designed for mild to moderate over-pronation Support Frame heel fit HydraMAX moisture-wicking collar ComfortLite sockliner Full-length PowerGrid midsole foam Medial post at the arch XT-900 carbon rubber material in high-wear regions of the outsole Cushion and responsiveness come in a supportive package in this 16th edition of Saucony's Hurricane running shoe.