Upper: PVC. Lining: Polyester. Protection of the malleoli. Rear removal lug. Protective toe cap: stainless steel. Anti-perforation mid sole: stainless steel. Sole: PVC - Nitrile with large cleats. Product use - risk: Construction / Civil engineering. Second work / craftman. Heavy industry. Light industry. Mining. Oil / Gas. Shock. Perforation. Slip. Antistatic. Weather.