Lighter, Stronger, Longer. Built with the lightest, longest lasting and most comfortable materials on the market, and Altama® O2 Oxford is here to change your mind about dress days. Features: -Full grain polishable leather upper -Heel counter is Back Part Molded to produce a customized curve that cups the foot, eliminating “break-in” discomfort -Ergonomically molded thermoplastic toe box ensures ideal fit from the first wear -Soft, moisture wicking lining -Removable custom fit polyurethane insole -Goodyear welted construction -Light and resilient PU outsole with increased shelf stability: slip and oil resistant, non-marking -Made in the U.S.A. -Berry Amendment Compliant.