Conforms to EN ISO20471:2013 Class 1, EN343 against foul weather. Orange/Navy also conforms to GO/RT 3279 and approved for railway industry. Navy contrast helps to provide a corporate image whilst disguising dirt around the hem area. 100% waterproof Polyester with Oxford PU coating. Two 5cm wide reflective bands around lower legs. Elasticated waistband. Stitched and taped seams. Snap buttons on the bottom for adjustment. More colours available, code HVS461 HVS462. Matching jackets, code HVP211 HVP300.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.