【New, Unused, Authentic】 Size: 23.0cm This is the classic OOahh model from the popular recovery sandal brand "OOFOS." It's a recovery sandal that's extremely popular with runners, athletes, and those who work on their feet. ◉Features ・The unique "OOfoam" material reduces impact by 37% upon landing. ・Feet don't get tired easily even after walking for long periods. ・Arch support structure firmly supports the soles of the feet. ・OK as a shower sandal! Water-resistant and easy to clean.