Oofos OOcloog Sport Black Matte Clog Size 39 / 9 The Oofos OOcloog Sport Clog has a biomechanically designed footbed that allows natural motion. OOfoam absorbs shock, reduces stress on sore feet, knees and lower back, cradles your arches, and holds its cushion. It's also moisture and odor resistant, machine washable, and so light it floats. Made from soft, flexible OOfoam that absorbs 37% more shock than traditional footwear foam Reduces stress on feet, knees, and back Patented footbed cradles and supports arches to take pressure off of ankles, knees, hips, and lower back Biomechanically designed. Oofos OOcloog Sport Clog