Conforms to EN ISO 20345:2011 S3 WRU HRO SRC. Full grain 'Crazy Horse' cow leather. Ridge pressed TPU scuff cap for extra protection. T-Tech air foam padded collar and tongue for maximum comfort. Epoxy coated steel toecap (200 joules). Stainless steel protective midsole. PU low density formed midsole for long lasting comfort and stability. High grade rubber outsole - excellent heat and abrasive resistance. SRC Rating: SRA Heel 0.35, SRA Flat: 0.33, SRB Heel: 0.13, SRB Flat: 0.19.