The EN471 and EN ISO 20471 certification systems represent European standards for high visibility clothing. Class 1 is the lowest class, Class 2 is intermediate level. Class 3 is the highest level of garment visibility with reflective fabrics. We also make high visibility reflective prints in high visibility for third parties on work clothes. For those looking for certified textile products, Arem Italia offers you high visibility & reflective clothing products with different certificates at this LINK on the shop.