Manufactured from 100% recycled polyester. Hex patterned heat-seal retro-reflective tape for comfort and flexibility. 3 button plackets. 160gsm fabric weight. Tested for up to 50 washes. UV protective SPF40 EN 13758-1. Railway-use certified. Conforms to EN ISO 13688:2013+A1:2021, EN ISO 20471:2013+A1:2016 Class 3 and RIS-3279-TOM Issue 2