Our rail clothes in this category conform to a GO/RT 3279 rail track specification (when purchased in orange). Rail clothes require special hi vis requirements. On our website, you will find an assortment of hi vis jackets, trousers, overalls, vests, tops and more that conform to EU standards. The GO/RT specification means that the wearer can maintain maximum visibility in low light conditions. Additional information can be found on the product page. If you have any further queries, you can contact our team via email, live chat or telephone.