General description Portwest high visibility work wear is fully certified to EN471, making it ideal for all seasons, whether for dark winter nights or everyday summer wear. The Portwest Hi-Viz yellow polo shirt features two 50mm Hi-VisTex reflective tape bands across the body and two across the shoulders, ensuring maximum visibility. Technical specifications Material: 100% polyester pique knit Weight: 240g Colour: Yellow Size: Medium Sleeve Type: Short Sleeve Standards Met: EN471 Class 2 MPN: S477YERM EAN: 5036108042982 Other information