Minimize foot fatigue on your run by customizing your favorite running shoes with the slim-fitting and moisture-wicking Superfeet Run Support Medium Arch Insole. You'll be running confidently and comfortably with Aerospring™ Rebound comfort foam and a deep heel cup to encourage smooth and efficient energy transfer throughout your stride, from foot strike to toe-off, with natural cushion and shock absorption for whatever your road ahead has in store for you.