This non-metallic boot is made with a waterproof full grain leather upper and 400 gram air mesh. The two zone wicking mesh Thoro-dri waterproof lining is blood borne pathogen compliant. An air flow vented removable two density polyurethane shock zone footbed ensures all day comfort. Non-metallic construction. ASTM F2413-11 M I/75/C/75 composite safety toe. EH rated. Tested for and meets CAN/CSA-Z195 18,000 volts electrical shock resistance standard. Heavy duty YKK side zipper. Material: Leather, mesh, rubber.