Leo researched the anatomy of the body and the physics of dance and molded them into dance shoes that worked in harmony with the dancer to achieve optimum performance. These tap shoes feature: Supple full grain leather upper for perfect comfort and fit, reinforced toe box for added stability and support, two-piece leather sole for flexibility and support with the perfect tap mounting surface, suede achilles lining and full heel counter for secure heel fit, lightweight shank provides flexible support and ease of pointe, super soft lining for the highest level of cushioned comfort, Leo's Ultratone taps attached for big tap sound, new improved fit. Material: Leather, Suede.