Protective Steel Midsole (resistant at perforation 1100N), Steel Toe Cap (resistant to impact 200J and compression 15Kn), PU rubber outsole: anti vibration, antistatic, resistance to fuel oil, Energy absorption on seat region, WR full grain black leather, Sympatex waterproof lining EN ISO 20345:2011 EN ISO 17249:2013 S3 SRC HRO CLASS 3