* 100% polyester “Bird Eye” fabric.* 160gsm fabric weight* Manufactured using 100% GRS Certified polyester yarns * 3 Button placket.* Grey trim to collar and cuffs.* Hex patterned heatseal Retro-Reflective tape for comfort and flexability.* UV Protective SPF40, “EN 13758-1 – Part 1: Method of test for apparel fabrics.”* Conforms to EN ISO 20471 Class 3 High Visibility* RIS-3279-TOM – Railway use certified.