OOFOS OOahh Sport Men's Black/Matte Help your hard-working feet recover better with the Oofos Ooahh Sport Sandals. These slide on sandals feature OOfoam Impact Absorption Technology that helps absorb 37% more impact than your regular footwear. This special technology helps reduce the stress on your feet and helps aid the recovery process after physical activities and sports. Reduces stress on feet, knees, and back. Promotes a more natural foot motion. Features a minimalist, lightweight construction. Shower/beach-ready; moisture and bacteria resistant; wont retain smell. smell *If you normally wear a half size: Women: order a half size UP for best fit. Men: order a half size DOWN for best fit.