Standards, i.e. requirements for high-visibility clothing

The EN ISO 20471 standard is the current version of the EN 471 standard. It specifies the requirements for high-visibility clothing that allows visual indication of presence in the user's traffic zone, for operators of vehicles or other mechanical devices, in all lighting conditions, both in daylight and and in the dark when illuminated by vehicle headlights. The EN ISO 20471 standard specifies the requirements for color and reflectivity, as well as the minimum surfaces and the arrangement of materials in protective clothing. In addition, it imposes an obligation to inform the user about the maximum number of cycles and the method of washing that can be subjected to clothing while maintaining an appropriate level of protection.

The standard maintains the division of clothing into 3 categories. They are determined on the basis of the minimum area of reflective materials given in m². Category 1 is the lowest category and category 3 has the highest level of visibility

 

Category 3 clothing

Category 2 clothing

Category 1 clothing

Background material

0,8 m²

0,5 m²

0,14 m²

Reflective material

0,2 m²

0,13 m²

0,10 m²

A material with combined properties

...

...

0,2 m²

Category 2

Category 3

Medium degree of visibility

The highest degree of visibility
   

e.g. sleeveless vests, bedspreads, dungarees

e.g. coats and jackets with sleeves, coveralls, two-piece clothes
 

0,5 m² fluorescent material

0,8 m² fluorescent material

0,13 m² retroreflective material

0,2 m² retroreflective material

Risk level

Factor influencing the level of risk

The level of risk / characteristics of the garment

Vehicle speed

Road user type

High risk ISO 20471 Class 3

> 60 km/h

Passive

High visibility
  • Day and night visibility
  • 360 ° (visibility from all sides)
  • silhouette recognition
  • girdle of the torso
  • quantity and quality day and night

High risk ISO 20471 Class 2

≤ 60 km/h

High risk ISO 20471 Class 1

≤ 30 km/h
  • Day and night visibility
  • 360 ° (visibility from all sides)
  • silhouette recognition
  • quantity and quality day and night

Medium risk

≤ 60 km/h

Active

Increased visibility
  • Day and night visibility
  • Visibility from all sides
  • recognition of movements, whenever possible (not necessarily girdling the torso)
  • quantity and quality day and night
  • more freedom in color and design
  

≤ 15 km/h

Passive
  • Night visibility
  • Visibility from all sides
  • recognition of movements, whenever possible (not necessarily girdling the torso)
  • quantity and quality at night (not necessarily ISO 20471)
  • no "gadgets"
  

≤ 60 km/h

Active

  

Low risk

-

-

Visibility
  • light colors
  • piping and / or partial application of reflective material
  • any quantity and quality
  

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