Brand new. Summer must have. OOriginal - The one that started it all. The OOriginal recovery sandal established the proven foundation of proprietary OOfoam technology + patented footbed design that remains our top-seller. Our revolutionary OOfoam technology absorbs 37% more impact than traditional footwear foams to reduce the stress on your feet, joints & back. Plus, the closed-cell foam is machine washable and designed to minimize odor. Patented Footbed - Our patented footbed cradles and supports arches to reduce energy exertion in the ankles by up to 47% compared to competitors’ footwear. So walking is easier. Recovery is faster. And yOO feel better. Backed by Science - Research shows OOFOS reduce load, decrease compressive forces, and support foot mobility when compared to traditional footwear. As a result, every OOFOS style carries the American Podiatric Medical Association Seal of Acceptance!