Women。The Sandal that started it all. With its sleek design and OOfoam recovery technology, the OOriginal Sandal was proven to be so effective, its spirit lived on in all our later styles and models. And with more colors than ever to choose from, you can flex your recovery leaving the gym as much as you can at a backyard hangout with friends. Impact-absorbing OOfoam technology in OOFOS advanced footbed geometry. Rounded, cupped heel designed to enhance impact-absorption and stability with every step Lightweight, flexible & packable for ultimate travel ability. Machine Washable. Air Dry.