OOFOS OOriginal Men。Oofos OOriginal Sandals Recovery Flip Flop Thongs Navy Blue Mens Size 10 Great preowned condition with all signs of wear shown in photos. The original recovery footwear. 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. You can flex your recovery leaving the gym as much as you can at a backyard hangout with friends. Absorbable Impact OOfoam technology absorbs 37% more impact than traditional footwear. Reduces Joint Stress Unique footbed design reduces stress on knees, ankles and other joints. Minimizes Odor Closed-cell foam is machine washable and designed to minimize odor.