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 InstructionsMaximum washing temperature 40ºC. 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.