100% Calf Hair. .75 inch Leather Stack Heel. Cheetah print slipper features Mocha Calf Hair with a Chocolate faille trim and gold signature Palm Tree charm on the back heel. Napa Leather Lining for additional support and comfort. Leather Sole. 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.