【New, Unused, Authentic】 Size: 23.0cm This is the classic model OOriginal from the popular recovery sandal brand "OOFOS." As recovery sandals, they are extremely popular with runners, athletes, and those who work on their feet. ◉ Features ・The unique material "OOfoam" 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 shower sandals! Water-resistant and easy to care for.