Selling a pair of red Oofos Ooriginal sandals. Men's size 4 / Women's size 6/ EU 37. Great condition with virtually no wear. Treads on the bottom are great! Any questions...just ask! :) About: The sandal that started it all. With it’s sleek design and OOfoam™ recovery technology, the OOriginal Sandal was proven to be so effective, it’s 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.