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