Details Conforms to EN 20345:2011 200 JOULES S3 HRO SRC. Upper: Full grain “Crazy Horse” cow leather. Enhanced durability and breath-ability. Speed release YKK® side zip. Slip on and off footwear quickly. Ridge pressed TPU scuff cap. Steel toe cap expoxy coated 200 joule.Extra protection to extend lifespan. TPU heel kick - Better build quality, prevents breakage. Tech: T-Tech air foam padded collar and tongue - Maximum comfort. Epoxy coated steel toecap (200 joules) - Best in class, industrial protection. Stainless steel protective midsole - Protection from underfoot penetration. Sole: PU low density formed midsole - Long lasting, comfort and stability. High grade rubber outsole - Excellent heat and abrasive resistance. Anti-static.SRC slip rating - Improved safety across multiple hazards. SRA Heel 0.35, SRA Flat 0.33, SRB Heel 0.13, SRB Flat 0.19.Sizes 6-13. Tuf 100207 Marshall 8.5'' Hi-Leg Zip Black Leather S3 WRU HRO SRC Safety Boot with Midsole