Designed specifically for running, Superfeet RUN Comfort insoles can help runners reduce foot fatigue while gaining efficiency. The Superfeet shape personalizes the shoe to your foot. The EVOLyte carbon fiber cap and AeroSpring Dual Comfort foam combine to deliver exceptional comfort and smooth and efficient energy transfer through your gait from foot strike to toe off. FEATURES DEEP HEEL CUP Cradles the heel for natural cushion and shock absorption DURABLE CONSTRUCTION Superfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months or 500 miles, whichever comes first H.I.T. (HEEL IMPACT TECHNOLOGY) POD Disperses impact for an easier ride YOUR PURCHASE MAKES A DIFFERENCE Every year, 1% of Superfeet sales and 1,000+ volunteer hours go to support organizations working to shape strong foundations for a healthy future. AEROSPRING(TM) REBOUND DUAL COMFORT FOAM Full heel-to-toe cushioning offers ultimate comfort in every step MOISTUREWICK(TM) With long-lasting odor control EVOLYTE(TM) CARBON FIBER STABILIZER CAP Responds to compression, springing back to its original shape