Safety Toe EHElectrical Hazard SRSlip Resisting NMNon-Metallic Shoe Use and Care Upper: Black Oiled Full Grain Leather Construction: Goodyear Storm Welt Lining: Spacer Mesh / Comfort Weave Insole: Polyurethane Removable Footbed/ Special EVA Cushion Flex Midsole: Compression Molded EVA with Impact 300 Gel Heel Insert Shank: Engineered Composite Outsole: GEN-flex2 dual-density rubber / EVA sole Special Features: 100% Non-Metallic, ASTM F2413-11 M I/75/C/75, COMPOSITE SAFETY TOE, EH Rated, Tested For and Meets CAN/CSA-Z195 18,000 Volts Electric Shock Resistance Standard.. Anti-Roll Bar Heel Support (ABHS), Goodyear Welt: Flexible Net Fit Outsole