Stretch fabric and rubberised Skywalker sock runners. A logoed badge is sewn on the ankle. Slide-safe rubber lug sole. Highly shock-absorbing midsole. Removable insole.UPPER #1: 100% CALF LEATHER | UPPER #2: 90% POLYESTER 10% POLYURETHANE | LINING #1: 90% POLYESTER 10% POLYURETHANE | INSERT #1: 100% ZINC (ZAMAK?) | INSOLE #1: 100% SYNTHETIC RUBBER | OUTSOLE #1: 100% SYNTHETIC RUBBER