* 100% polyester “Bird Eye” fabric.* 130gsm fabric weight* Manufactured using 100% GRS Certified polyester yarns* 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 2 High Visibility* RIS-3279-TOM – Railway use certified.