EN 471 : 2003
is the European standard for high visibility :
The High visibility warning clothings are aiming to signal the presence of the wearer visually in daylight as well as under illumination by lights at night without ambiguity in any circumstances.
   
  Our material’s choice
Knit polyester No breathable polyurethane Polar Fleece
Waterproof polyester Oxford coated no breathable PU Breathane (breathable polyurethane) Polycotton (60/40 %)
   
  Highly visible materials
  Warning clothings are made in reflective materials allowing to reflect any light ray in the most optimal way.
The background material is made in fluorescent colours meant to be highly visible. The high visibility of these fabrics lays in their capacity to absorb the energy in the zones cloth to ultraviolet, and then to transform it into visible light. In this way, the fluorescent colours seem brighter than standard colours and makes the wearer of these garments more visible in daylight.
The retro-reflective material acts like a reflector resending the light emitted by a light source back to that source, making in this way the object enlightened “visible” even in case of slight light. The retro-reflexion helps the eye to capture light when this last is weak. In this way, by reflecting the light rays back to the initial source, for example illuminated by headlights of cars, the fabric seems more bright in the eyes of the driver and makes the wearer more visible at night.
The combined material presents at the same time fluorescent and retroreflective properties. (Are not offered in our collection).
   
  Models and classes
  High visibility clothing is categorized in 3 classes.
Each class requires for these garments minimal surfaces of the background material and the retroreflective material or on combined material, and this accordingly to the table here-under.
     
  >>>Class 3 concerns the highest level of visibility and encounts longsleeved jackets, parkas, coveralls and jacket-trousers suits.
>>> Class 2 represents the intermediate level which can be found on waistcoats and chasubles or on jackets without retroreflective bands on the sleeves.
>>>Class 1 is the lowest visibility level which can be found on trousers worn without jacket or vests or on small garments
(gloves or caps).
     

  Photometric requirements
  New retro-reflective materials shall meet minimum reflectance criteria and are divided into 2 quality classes.
Class 2 being the most performant.
  clothes
class 3 		clothes
class 2 		clothes
class 1
background material 0,80 m3 0,50 m3 0,14 m3
retro-reflective material 0,20 m3 0,13 m3 0,10 m3
combined material     0,20 m3
     
  Marking

A high visibility warning clothing is marked with a label showing this pictogram and/or the performace levels.
The first number X next to the pictogram indicates the class of the surface of the background material accordingly to the table above.
The second number Y indicates the class of the retro-reflective material accordingly to the requirements defined
in the EN471 : 2003 standard.
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