100% Recycled polyester ”Bird Eye” fabric. 160gsm fabric weight 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. ” Global Recycled Standard Certificated Tested to 50 washes Conforms to EN ISO 13688:2013+A1:2021 Conforms to EN ISO 20471:2013 +A1:2018 Class 3 high visibility (sizes M+(10+)) Class 2 high visibility (size XS-S (06-08)) RIS-3279-TOM Issue 2 - Railway use certified.