Upgrade your shoes with Superfeet FLEXmax insoles. An excellent introduction to the doctor-recommended Superfeet shape, the special flex design hugs your feet and cradles your heels to help your footwear, and you, feel great. Durable Aerospring Comfort Foam soles deliver heel-to-toe comfort, while the Flexible Heel Cradle provides structure and stability, reducing stress on feet, ankles and knees. FLEX insoles fit best in roomy athletic footwear
