Hi Vis Yellow & Orange & their combined two tone colours conform to EN ISO20471 Class 3 Hi-Vis Orange conforms to RIS-3279-TOM Jersey lined knit polyester fabric 5cm width reflective tapes standard 2 reflective tapes around body and arms, and one brace over each shoulder Taped back neck for extra comfort Drop shoulder & crew neck style Twin needle stitching detail Ribbed neck, cuffs and waistbands The manufacturer guarantees the reflective properties according to EN standard for 25 wash cycles! Black & Navy provide enhanced visibility