Treviso O3 Safety shoes - Emma The smarter occupational shoe. Treviso has it all: polished leather outer and a perfect fit. It gives the shoe a very natural, light-footed wearing comfort. Water-resistant outer and a woven insole make the shoe virtually impenetrable. The 100% nitrile rubber outsole repels liquids and the ingeniously designed profile provides extra grip on all surfaces. Material: Upper: Full grain leather. Outsole: Nitrile rubber / HRO. Footbed: Hydro-Tec® Business insole (with leather top layer). Safety standard: EN ISO 20347: 2012 O3, SRA The abbreviation O (Occupational) is used for EN ISO 20347. These are shoes for professional use without a safety toe cap. Furthermore, O (B) B shoes meet a whole list of properties: among other things many different quality requirements for shaft and sole, comfort requirements, minimal slip resistance and oil resistance. Standard O3 also has upper material with a certain maximum water permeability and water absorption, anti-perforation midsole against penetrating sharp objects (up to a force of 1100 Newton) and an outsole with a certain amount of profiling. Color: blackSKU: MM105092Read more