Protective Steel Midsole (resistant at perforation 1100N), Steel Toe Cap (resistant to impact 200J and compression 15Kn), PU outsole: anti vibration, antistatic, resistance to fuel oil, Energy absorption on seat region, WR full grain black leather. Waterproof Boot Comfortable to wear Leather Upper EN ISO 20345:2011 CERTIFIED: Tested and certified to European standards Type of protection: Steel Toe Cap + Steel Midsole