OOfos OOlala Flip Flop - Women'sMade with our patented OOfoam, this sandal features a streamlined footbed that compliments every outfit, day or night. 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; doesnt retain smell Durable OOfoam holds its cushion