Exclusive "Contour Cushion System" provides maximum shock absorption in the Heel and Ball strike zones Ventilated Top Helps Foot to breathe LycraŽ Spandex Arch Support Welt-Top construction for comfort and fit The Result: Feet are Cooler, Drier, and Lighter than the competition Content: 66% SensuraŽ Polyester, 23% Nylon, 9% Acrylic, 2% LycraŽ Spandex |