OOFOS OOahh Sport Flex Sandal Boston Edition。OOFOS OOahh Sport Flex Slide Recovery Sandal Matte Blue Size Men\'s 9/Women\'s 11 Excellent Pre Owned Condition. No Flaws. Minimal markings and scuffs. Gently Worn if at all. An evolution of the OOriginal, featuring an agile OOfoam™M strap for additional support and comfort. Sport Flex: A contemporary spin on the classic slide, with a sleek adjustable upper strap for a more optimal all-around fit. Rounded, cupped heel designed to enhance impact- absorption and stability with every step. Lightweight, flexible & packable for ultimate travel ability.