Upper: Suede Leather/Nylon. Construction: Cement. Lining: Two Zone Wicking Mesh. Insole: Full Length Removable Polyurethane Footbed. Midsole: Compression Molded EVA. Shank: Composite. Outsole: Gravity Rubber Sole with Integrated Toe Bumper and 150 MBS Abrasion Rating. Special Features: 100% Non-Metallic. COMPOSITE SAFETY TOE. Electrical Hazard. Tested For and Meets CAN/CSA-Z195 18,000 Volts Electrical Shock Resistance Standard. Molded Rubber Heel Stabilizer.