Superfeet All-Purpose Cushion Size:F (11.5-13) LAST: RN 25

LAST: RN 25

Material - [components] magnesium

Strutted vents in the fly provides excellent air circulation

hydrolysis resistant

Superfeet All-Purpose Cushion Size:F (11.5-13) LAST: RN 25Upgrade your shoes with Superfeet FLEX insoles. An excellent introduction to doctor recommended Superfeet shape, the special flex design hugs your feet and cradles your heels to help your footwear, and you, feel great. Durable 4mm thick Aerospring comfort foam delivers 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 athletic footwear.