Wingtip oxford in leather and nubuck upper. Midsole EVA with rubber sole. Technology Grand.OS. Experience the classic style and comfort of these Cole Haan Original Grand Wingtip Oxfords. Crafted from premium leather and nubuck, these shoes offer a sophisticated look for any occasion. The EVA midsole provides cushioning, while the durable rubber sole ensures reliable traction. Perfect for the modern individual seeking both style and comfort.