This European Standard specifies requirements for protective clothing capable of signalling the user's presence visually, intended to provide conspicuity of the user in hazardous situations under any light conditions by day and under illumination by vehicle headlights in the dark.
Performance requirements are included for colour and retroreflection as well as for the minimum areas and for the disposition of the materials in protective clothing.
BS EN 471:2003 history
2004BS EN 471:2003+A1:2007 High-visibility warning clothing for professional use - Test methods and requirements
2004BS EN 471:2003 High-visibility warning clothing for professional use - Test methods and requirements