The Spiro is built with all of the features you would expect from a Cat work boot. Featuring ERGO; a series of design principles that work together to deliver footwear that promotes foot health by integrating stability, flexibility and comfort.- 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