Hi Vis Yellow & Orange conform to EN ISO20471:2013 Class 1. and Orange also conforms to GO/RT 3279. Black & Navy provide an enhanced visibility for safety. 80/20 Polycotton fabric treated with durable water repellent finish. Two 5cm width 3M reflective tapes on the bottom of each legs. Partly elasticated waistband with 5 belt loops. Match-colour zip fly & button. Two cargo pockets with extra reflective tape & border trimming to enhance the visibility. Knee pads pocket with concealed access. Rear pocket with button fastening.