Yoko Ladies/Womens Hi-Vis Long Sleeve Polo Shirt Polyester, , Hi-Vis Yellow conforms to EN471 Class 3. Hi-Vis Orange conforms to GO/RT 3279. Hi-Vis 100% polyester with 3M Scotchlite bands around body and one brace over each shoulder and 2 bands around each arm. Contrast knitted navy collar and cuff. 3 button placket with buttons.