Full-grain leather - Soft toe (not a safety toe) - TPU Wrapped AerocoreTM midsole delivers maximum energy return while resisting rips abrasions and scuffs - Metal and mutilation free - Cement construction for flexibility - Fiberglass shank for structural support - Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return - Breathable and moisture-wicking lining with anti-microbial treatment for odor control - Luggy Rubber Outsole with anatomically positioned flex grooves - Nylon top speed hooks - Mark II oily wet #3 on American Olean tile at .53