Hi-Vis Yellow & Orange & their combined two tone colours conform to EN ISO20471: Class 1. All Colours conform to EN343 against foul weather Waterproof Polyester with Oxford PU coating Two 5 cm wide reflective bands around lower legs Elasticated waistband Stitched and taped seams Snap buttons on the bottom for adjustment The manufacturer guarantees the reflective characteristics according to European standards for 25 washes at 40°C