Although it has gone through many incarnations, this version features a leather upper for a return to the style icon's roots.Men's Nike Cortez Basic Leather OG ShoeTHROW BACK TO THE ORIGINAL.Men's Nike Cortez Basic Leather OG Shoe is inspired by the 1972 original. 40 YEARS BACK.Full-grain leather upper offers durability and a premium feel.Low-cut collar provides a natural fit around the ankle.Full-length EVA midsole for lightweight cushioning and impact protection.Contrast-colored EVA wedge in the heel for additional cushioning.Sponge rubber outsole in a herringbone pattern offers excellent traction and durability.Cow Lthr.