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Using a special foam that gives the ideal level of cushioning—not too soft, not too firm—the Oofos Ooahh Sport Flex sandal provides excellent relief on sore feet, legs, and back. Oofos’ foam is also claimed to absorb 37 percent more impact than competitors’ offerings. This version of Oofos’ recovery sandal also boasts a velcro closure to give a better fit for those with higher or lower volume feet. The sandals themselves are also moisture and bacteria resistant and can be cleaned in a washing machine.