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From Superfeet:

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.

The rocker profile minimizes the effort required to transition from stance to swing phase, shoes lexington ky.