Cow Nubuck Leather CE certified Dual density sole unit Energy absorbing seat region Heat resistant outsole - 200 Oil resistant outsole Steel midsole Waterproof membrane 200 Joule steel toecap Antistatic Slip resistant outsole (SRC) Puncture resistant steel midsole (PR) Protective steel toecap - impact (I), compression (C) This S3 boot features a waterproof and breathable membrane and is perfect for use in all conditions. Steel toecap and midsole for total protection with a tough TPU outsole for greater stability and abrasion.