SUPERFEETA(R) RUN COMFORT THIN INSOLE :: Minimize foot fatigue on your run by customizing your favorite running shoes with the slim-fitting and moisture-wicking Superfeet RUN Comfort Thin Insole. You'll be running confidently and comfortably with Aerospring(TM) 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.