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: Genuine full grain leather upper, two piece leather sole design allows for flexible arch, traditional wing tip styling available in ''High Steppin'' black and white, complete with Leo's finest, biggest sounding Ultratone screw on taps, one-half stitched rubber sole features non-slip traction, new improved fit. Material: Leather, Rubber.