Quality oiled full grain leather - Climasphere breathable insole keeps your foot comfortable - Goodyear Welt Construction provides maximum durability and allows for flexibility - Engineered nylon mesh lining optimizes breathability and comfort - Steel Shank for added support and stability - Slip-Resistant outsole for grip on low traction surfaces - Removable PU Sock Liner provides all-day comfort - Electrical Hazard (EH) protects the wearer against open circuits up to 600 volts in dry conditions (ASTM F2413-18) - Steel-Toe rated ASTM F2413-11 I/75 C/75