Aftersport recovery makes a bold, graphic statement and the eyecatching, twotone upper of the OOFOS OOahh is just the beginning. OOfoams groundbreaking impact absorption and arch support, plus a patented footbed for natural motion are behind the sleek exterior. OOfoam Absorbs 37% more shock than other materials. Reduces stress on sore feet, knees and lower back. Cradles your arches. Biomechanically designed footbed allows natural motion. Soft, conforming toe post eliminates toe chafing. Shower/beach ready - moisture and bacteria resistant, doesn't retain smell. Durable OOfoam holds its cushion. Machine washable.