Top quality leather outer construction. 4 Power lever Locking buckles machined in Aluminum with PU molded bases and straps. Bi-casted floating shin plate is backed with energy absorbing Bio-Foam. PU molded inner plastic plating, first buckle deflector and wrapping heel cup. Flex insert over the heel and across the instep. A unique MX style sole is fully replaceable. Internal steel shank and steel toe cap.