Full grain S3 grade cow leather Premium Heat Resistant Dual Density Injected Rubber sole Full Rubber Midsole and Outsole Withstands instances of molten metal to 1400°C Flame retardant stitching and thread. Quick release velcro fastening Steel toe cap resistant to 200 joules impact Steel midsole protection resistant min 1100N Bonded leather fibre, min. 1,6mm Textile / polyester vamp lining Removeable and washable PU insoles Meeting Safety Standards: Footwear protecting against risks in foundries and welding: EN ISO 20349:2017 S3 Additional protection: HI3 HRO SRC Fe Sizes: UK 5 – 13 (inc 6.5 & 10.5), Continental 38 – 4