Made with our revolutionary OOfoam technology, this sandal features a streamlined footbed that compliments every outfit, day or night. Luxe: Colors and shine bring some extra fun and expression to OOFOS' classically sleek footbed. Made with our revolutionary OOfoam technology, this sandal features a streamlined footbed that compliments every outfit, day or night. Luxe: Colors and shine bring some extra fun and expression to OOFOS' classically sleek footbed. OOfoam technology absorbs 37% more impact than traditional footwear. Patented footbed design reduces stress on knees, ankles and other joints. Closed-cell foam is machine washable and designed to minimize odor. OOfoam technology absorbs 37% more impact than traditional footwear. Patented footbed design reduces stress on knees, ankles and other joints. Closed-cell foam is machine washable and designed to minimize odor. Color: blue