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EN ISO 20471

ISO 20471 is an international standard for high-visibility clothing designed to ensure workers are easily seen in low-light or high-risk environments. It specifies performance requirements for garments that enhance visibility to reduce accidents and improve safety.

EN ISO 20471

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Why Does ISO 20471 Matter?

High-visibility clothing is essential in environments where workers need to be seen to stay safe. ISO 20471 ensures garments provide visibility in conditions such as:

  • Lowlight or nighttime
  • Foggy or poor weather
  • High-traffic or hazardous areas

HSE managers rely on ISO 20471-compliant garments to:

  • Reduce the risk of accidents in low-visibility environments
  • Comply with safety regulations
  • Foster a culture of safety in industries such as construction, transportation, and logistics

What Does ISO 20471 Cover?

ISO 20471 evaluates garments based on their ability to enhance visibility using:

FeatureRequirementExample
Fluorescent FabricBright colors for daytime visibilityYellow, orange, red
Retroreflective TapeReflects light for nighttime visibilityVehicle headlights
Contrast MaterialEnhances visibility in complex
backgrounds		Darker areas of the
garment

Garments are classified into three classes based on the visible area:

ClassVisible AreaExample
Class 1Lowest visibilityWorkers away from traffic or low-speed zones
Class 2Moderate visibilityWorkers near moderate-speed traffic
Class 3Highest visibilityWorkers in high-risk areas with high-speed traffic

Understanding Performance Levels

  • Class 1: Minimum visibility for low-risk areas.
  • Class 2: Enhanced visibility for moderate risk.
  • Class 3: Maximum visibility for high-risk environments.

What Makes a Garment Compliant?

To comply with ISO 20471, garments are tested for:

  • Colorfastness: Maintaining fluorescent color after washing and wear.
  • Reflectivity: Ensuring retroreflective tape performs effectively in low light.
  • Durability: Retaining visibility properties after regular use.

How to Choose ISO 20471-Compliant Clothing

  • Assess Workplace Risks: Understand the visibility requirements for your environment.
  • Check Class Ratings: Choose garments with the appropriate class for the hazard level.
  • Prioritize Fit and Comfort: Ensure workers can perform tasks efficiently while staying visible.

Why Choose Harbor365 for ISO 20471 Clothing?

Harbor365 provides high-visibility garments designed for safety and durability:

  • Premium Reflective Tapes: Ensuring maximum visibility in low light.
  • Fluorescent Fabrics: Retaining brightness after repeated washing.
  • Durable Performance: Enhancing comfort and movement.

Because visibility saves lives—trust Harbor365 for your safety needs.

Need Help Choosing ISO 20471 Clothing?

Contact us today for expert advice on high-visibility clothing tailored to your industry.

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