The Essential Guide to Hi-Vis Clothing Standards

High-visibility apparel is a crucial protection tool for anybody working in potentially hazardous environments. From construction sites to roadside operations, the right hi-vis clothing ensure workers are seen and secure.

This guide explores the essential standards of high-visibility clothing and how to select the right gear for your protection needs.

Why Hi-Vis Clothing Matters: Protecting Yourself and Others

Visibility may be the difference among a safe day at work and an accident. High-visibility clothes is designed to stand out from the surroundings and be visible from a distance, especially in low mild conditions.

This is important for the protection of people who perform near traffic or heavy machinery and for individuals who work in low lights conditions. Ensuring that all employees are easily visible reduces the risk of accidents, protecting not best the wearers but additionally every person around them.

Understanding the Hi-Vis Clothing Landscape: A Breakdown of Key Standards

Hi-vis clothing standards are rules established to ensure these garments provide a certain level of visibility and safety. They specify the materials, reflective elements, and design required for high-visibility clothing to meet the visibility demands of different work environments effectively.

  • EN ISO 20471: it is an international standard that refers to high-visibility clothing capable of communicating the presence of the user visually. The clothing comes in three classes, with 3 having the highest visibility.
  • ANSI/ISEA 107: an American standard that sets various parameters of designing and using high-visibility clothing in the USA. It also divides the clothes into different visibility grades.

Key Hi-Vis Clothing Standards Explained:

  1. EN ISO 20471: High Visibility Clothing—Test Methods and Requirements
  • Class 1: Minimum level of protection suitable for areas that require basic visibility.
  • Class 2: Intermediate level of protection suitable for high traffic speeds and complex backgrounds.
  • Class 3: Maximum level of protection designed for extremely poor lighting conditions and high-speed traffic.
  1. ANSI/ISEA 107: American Standard for High-Visibility Safety Apparel and Accessories.
  • Class 1: Good visibility for workers in occupations that permit full and undivided attention to approaching traffic.
  • Class 2: Greater visibility for workers in poor weather conditions or near traffic traveling over 25 mph.
  • Class 3: Highest level of visibility for workers with high task loads in a wide range of weather conditions and where traffic exceeds 50 mph.

Selecting the Perfect Hi-Vis Clothing for Your Needs

Before choosing the appropriate apparel, consider the potential risks present in your working environment:

  • Level of Visibility Required: Match the class of hi-vis clothing with the risk level of your work area.
  • Work Conditions: Consider the type of work and the mobility required. Make sure that the reflective clothing is not restricting sayward and that you can wear it in various weather conditions.
  • Durability and Standards Compliance: Opt for garments that comply with the relevant standards and offer durability against wear and tear.

Additional Considerations

While the primary function of hi-vis clothing is visibility, other factors play a crucial role in overall safety and comfort:

  • Comfort and Fit: Properly fitted garments enhance visibility and reduce the risk of accidents.
  • Maintenance: Regular maintenance and correct cleaning procedures preserve the protective properties of hi-vis clothing.
  • Complementary Equipment: Sometimes, additional safety gear such as helmets, gloves, or eye protection is necessary to ensure full protection.


Understanding the standards and proper selection of high-visibility clothing are fundamental in ensuring workplace safety. For those in the UK seeking reliable hi-vis solutions, Top Demand offers a range of products that meet stringent safety standards.

Equip yourself or your team with the best in safety apparel and take proactive steps toward a safer working environment. Remember, in many high-risk jobs, being seen is not just a convenience it’s a necessity. Choose wisely, stay safe, and ensure that every workday ends as safely as it begins.