100% recycled polyester. Complies with the US standard ANSI / ISEA 107-2004 and the European standard EN ISO 20471:2013 Class 2 (Signal Yellow and Signal Orange). Main material made from recycled PET bottles. Made from breathable, lightweight knitted mesh material to facilitate sweat transport in high-temperature work environments. 5 cm wide reflective strips around the body and on each shoulder. Velcro closure at the front. The manufacturer guarantees the reflective properties according to EN standards for 25 washes at 40 °C. This item is personal protective equipment (PPE). According to EU Regulation 2016/425 on personal protective equipment, an EU declaration of conformity from the manufacturer is mandatory. We are happy to provide this upon request.