Upper: Black Full Grain Leather. Construction: Direct Injection. Outsole: SoftStreets Dual Density Polyurethane. Lining: Comfort Weave. Insole: Super Cushion Polyurethane Removable Insert. Shank: Fiberglass. Special Features: ASTM F 2413-05 M/I/75/C/75 Steel Toe. US Postal Certified. Tested For and Meets CAN/CSA-Z195 18,000 Volts Electrical Shock Resistance Standard. Made in the USA by ISO 9001 Certified Shoe Company.