Men's OOfos OOahh Slide - Black The OOahh Sport Flex sandal features revolutionary OOfoam™ technology that absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints. This technology aids in the recovery process and creates an incredibly comfortable sandal you can wear anywhere. OOFOS took their popular slide style and designed a silhouette with an adjustable velcro upper for a more optimal fit. DETAILS: OOFOS are made in whole sizes. We recommend sizing down if you are a men’s half size. Adjustable velcro strap for optimal fit Reduces stress on sore feet, knees, and back Enables more natural motion Minimalist construction for light weight Machine washable, plus moisture and bacteria resistant