Conforms to GO/RT 3279, EN ISO20471:2013 Class 2 & EN510 for anti-entanglement. 5cm width 3M reflective tape around the body and over each shoulder, "V" shape reflective tapes in the front and "ll" shape at rear. 80/20 Polycotton fabric treated with durable water repellent finish. Brass studs fastening on shoulders and sides for quick release in case of emergency. Zip fastening in the front. Partly elasticated action back.