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 fabric 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 the EN standard 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.