These Karrimor Jaguar Walking Boots combine waterproof, breathable Weathertite Xtreme (WTX) lining with integrated D30 cushioning technology to deliver the ultimate in response and comfort. . . . WTX Waterproof and breathable. . Nubuck and suede upper. . External 3D molded heel support and toe bumper. . Dual-density Phylon midsole. . D30 Cushioning Technology in midsole. . D30 footbed. . Frame Flex Chassis. . Dynagrip 005 Sole Unit. . Imported. . . . . . NOTE: This product is sold in U.S. sizes. While the physical product may display both the U.S. & U.K. sizes on it, please place your order using the U.S. size. Shoes run smaller, order 0.5 size up for an accurate fit.