Copper Step Insoles Are Your Feet’s Best Friend Your feet do a lot for you and they play an important role in your overall health. It’s time to give them the real, premium care they deserve. These comfortable and flexible insoles combine four different therapeutic benefits to soothe aching, tired feet. Six copper discs around the ball, side, and heel of your foot and 9 magnets in the arch are believed to improve blood flow and ease pain. A ribbed surface gently and continuously massages. Vent holes provide cooling, refreshing air flow. Be prepared to be swept off your feet by these amazing Copper Step Insoles. Trim to fit any shoe – for men and women.