Superfeet Run Cushion Medium Arch insoles provide signature Superfeet shape in a lightly structured, cushioning insole with a medium arch profile made to feel like part of your shoes. Flexes and adapts to your foot's natural motion for a smooth, easy ride. Get unbelievable comfort and support without changing how your running shoes were built to perform. Fits well in running shoes and athletic footwear, including zero-drop running shoes. Trim to fit your shoe size.