Leather upper chassis with polyurethane coating. Contoured polyurethane shin plate and ankle plate for impact and abrasion resistance. Split-grain leather calf guard for abrasion and heat resistance. Polycarbonate two position latching buckle with pivoting base (buckle base has set screws to adjust angle of the buckle). Adjustable and replaceable polyurethane closure strap. Foam interior and insole provides superb support and comfort. Replaceable steel toe guard. Rubber outsole. Average weight of only 3 lbs. per boot. Available in youth sizes 11 - 7. Replacement buckles, straps, and toe guards available.