"Mary Jane" tap shoe has a man-made upper and features include a non-skid rubber pad, a cushioned sock lining, and an Achilles pad for a comfortable fit. No-lip toe tap and heel taps attached. Also features a buckle strap with an adjustable slide buckle. The black patent features a PVC upper while the other colors feature a matte PU upper. No need to worry about ribbon ties coming undone during class with this durable strap in place.