Sjooz found CAT Workwear Mens Spiro Leather Lace Up Safety Work Boots UK Size 11 (EU 45) on Outdoor Look at the price of 126.55 GBP. ., Conforms to EN ISO20345:2011 Safety Footwear Standards. Strobel and Cement construction., Removable Nylex and PU Insole. T870 Rubber Outsole., Penetration resistant poured PU midsole construction. Impact and compression resistant toe cap., Anti-static and energy absorbing heel. Water resistant upper., High heat resistance of 300C. Slip resistance SRC – Resistance against slipping on both ceramic and steel surfaces covered with water and cleaning products.