.75 inch Leather Stack Heel. 100% Calf Hair. Zebra?print?mule features?Black and White Calf Hair with?a?Cherry Napa?leather trim. Napa Leather Lining for additional support and comfort. Leather Sole. [Note - If your?Calf Hair becomes matted or dirty you?can clean it with a damp cloth or a soft brush,?always working in the direction of the grain, never brushing the fur back and forth.]