The lightweight rubber compound on the outsole offers durability without sacrificing flexibility, shoes bethesda.

From Superfeet:

Superfeet Run Cushion High Arch insoles provide signature Superfeet shape in a lightly structured, cushioning insole with a high 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 overall design is focused on reducing strain on knees and joints, shoes military discount.