EN 470-1

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EN471 Hi-Visibility

This EN Standard specifies the requirements for clothing designed to emphasise the wearer's presence visibly in order to make the wearer more noticeable in hazardous situations during the day and at night (illumination in car headlights).

The contents of this EN Standard
This standard's icon is a safety vest placed under two numbers that represent the X and Y values\\. The top value (X) indicates the garment's class (1 to 3). Class 1 is the least visible and Class 3 the most visible. The lower value (Y) specifies the quality of the reflective strips (1 or 2) incorporated in the garment. The Y value indicates how well the reflective strip reflects. ProGARM® only uses reflective tape that has the highest Y value of 2.

The X and Y values
The X value is derived from the number of square metres of fluorescent fabric and the number of square metres of reflective strip incorporated in a garment.


Class 1

Class 2

Class 3

Fluorescent material




Reflective material




Combined material



Class 1: not suitable for working on public highways
Class 2: for roadwork with traffic travelling at a maximum speed of 50 km/hour
Class 3: for roadwork with traffic travelling at higher permissible speeds

The fluorescent fabric must encircle the torso, sleeves and trouser legs. And the difference in surface area between the front and back may be a maximum of 40% – 60%. The reflective strip must be 50 mm wide and the space between 2 reflective strips must be at least 50 mm. The distance from ‘the end’ of the garment (e.g. the end of a trouser leg) to the reflective strip must also be at least 50mm. Reflective strips can be positioned in a variety of different ways; a number of examples are given in Appendix A.

The NEW EN ISO 20471 EN Standard
At the time publication, the new EN Standard to replace this standard has been announced – EN ISO 20471. For further information on any new elements of this EN Standard, please enquire with our sales office.

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