Hi-vis yellow conforms to EN ISO20471:2013 Class 1 & EN343 against foul weather.Black and Navy provide enhanced visibility (non-EN471 standard). 100% waterproof Polyester with Oxford PU coating. Two 5cm wide reflective bands around lower legs. Elasticated waistband. Snap buttons on the bottom for adjustment. More colours available, code HVS462 & HVS463. Matching jackets, code HVP211, HVP218, HVP300, HVP301 & HVP303. Washing Instructions Maximum washing temperature 40?C. Normal process & wash as synthetics. Do not bleach. Do not iron. Do not tumble dry or wring. Do not dry clean. Cold rinse & short spin. No professional dry cleaning in perchloroethylene or hydrocarbons. Do not wash in biological powder. 25 max. wash cyclye.