Explore ANSI/ISEA 107-2020 Standard: Enhancing Workforce Visibility with High-Visibility Safety Apparel

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a man wearing a orange safety vests in a construction site

In industrial and construction realms, worker safety and visibility are critical. High-Visibility Safety Apparel (HVSA), designed to enhance visibility and reduce accident risks, is invaluable, especially in low-light or high-traffic areas. The ANSI/ISEA 107-2020 Standard, a comprehensive guideline, dictates the design and performance requisites of HVSA for a safer work environment.

The essence of HVSA lies in its ability to drastically minimize serious accident risks by amplifying worker visibility in diverse scenarios, from bustling construction sites to high-traffic roadways. The visibility enhancement is crucial, especially in low-light conditions or around moving vehicles and heavy machinery. HVSA is a simple yet potent precautionary measure significantly mitigating risks in high-risk zones like construction sites, road traffic areas, warehouses, or ports.

This article aims to unravel the complexities of the ANSI/ISEA 107-2020 Standard, highlighting its importance, HVSA classifications, and crucial design and performance criteria. Understanding and adherence to this standard foster a safer, more protective work environment for employers, manufacturers, and workers alike.

Overview of ANSI/ISEA 107-2020 Standard:

ANSI/ISEA 107-2020 Standard Standard emerges as a cornerstone in the realm of workplace safety, shining a spotlight on the design, performance, and application of HVSA. It’s the brainchild of the collaborative zest between the American National Standards Institute (ANSI) and the International Safety Equipment Association (ISEA), all with a common goal of boosting worker visibility across a medley of lighting conditions and scenarios.

ANSI American National Standards Institute logo       ISEA International Safety Equipment Association logo 


Wearing the badge of the American National Standard for High-Visibility Safety Apparel, the ANSI/ISEA 107-2020 Standard rolls out performance benchmarks to ensure no matter the lighting, visibility stays in check. It stands as a holistic guide, opening doors to a world of high-visibility and reflective apparel design, performance, and application, embracing a broad spectrum of attire like vests, jackets, coveralls, trousers, and harnesses, each with a unique touch to address different visibility needs on the field.

Key Elements of ANSI/ISEA 107-2020 Standard:

Performance Requirements: Here, it sketches out the performance benchmarks HVSA needs to hit for various lighting conditions.

Material Specifications: This segment defines the types of materials and their strategic placement to catch the eye.

Design Requirements: It’s all about ensuring the HVSA design not only catches the eye but also hugs the wearer in comfort.

Testing and Performance Criteria: This part sets the stage for design, testing, and performance criteria, ensuring a snug fit between quality and safety standards.

Product Labeling: It dives into the nitty-gritty of product labeling, ensuring all the essential info reaches both users and authorities.

Guidelines for Selection and Use: Offering a helping hand, it lays down guidelines for picking and using HVSA based on the job at hand and the environment.

The ANSI/ISEA 107-2020 Standard holds a significant torch in ensuring workplace safety, especially in spaces where being seen is half the battle.

Design, Performance, and Classification of HVSA According to ANSI/ISEA 107-2020

The ANSI/ISEA 107-2020 Standard provides a comprehensive framework encompassing general design, testing, performance requirements, and product labeling for High-Visibility Safety Apparel (HVSA), aimed at enhancing the wearer's visibility in potentially hazardous situations[1]. The standard meticulously addresses various operational environments, ensuring the HVSA is aptly suited to the tasks and hazards associated with different occupational roles. The design requirements take into account the nature of work, whether it's waste management, emergency response, or road painting, especially in environments that could soil garments. The 2020 update also includes specific criteria for single-use disposable coveralls, addressing scenarios where regular HVSA may not be suitable.

people wearing different safety jackets


Testing and Performance Requirements:

To comply with the standard, the background material and retroreflective or combined-performance material of a garment must undergo rigorous testing by an accredited laboratory. Post-testing, the manufacturer of the finished item is required to verify that the garment or headwear meets all the standard requirements, providing a Declaration of Conformity for each model. This verification ensures that the HVSA adheres to the stipulated quality and safety standards before reaching the end-user.

Product Labeling:

The standard mandates that HVSA should have appropriate labeling providing essential information to the users and authorities. This includes, but is not limited to, the type and class of the HVSA, care instructions, and the manufacturer's details. The 2020 version has unique labeling requirements for conforming coveralls, ensuring they are evaluated to relevant material integrity tests and meet the requisite minimum material amounts and color requirements imposed on all compliant HVSA.

Classification of HVSA:

The ANSI/ISEA 107-2020 categorizes HVSA into different types and classes, aiming to cater to a variety of operational environments and visibility requirements[2]:

Types of Garments:

  • Type O Garments: For off-road workers who do not work near roadway traffic, suitable in environments where they are separated from vehicular traffic that does not exceed 25 mph.
  • Type R Garments: For workers exposed to roadway traffic, apt for individuals working in areas where there's a risk of strikes from vehicles.
  • Type P Garments: Tailored for first responders and emergency personnel exposed to hazards both on and off the roadway.

Classes of Garments:

  • Class 1: Provides the lowest body coverage but good visibility, suitable for environments with a low risk of strikes from vehicles or heavy equipment.
  • Class 2: Offers moderate body coverage and enhanced visibility, making it suitable for a variety of work environments.
  • Class 3: Provides superior body coverage and visibility, making it the best option for poor light conditions and ensuring good visibility at a distance.

This section outlines the critical design and performance criteria of the ANSI/ISEA 107-2020 Standard, which seeks to ensure that the HVSA not only meets the visibility requirements but also adheres to the quality and safety standards, thus safeguarding the wearer in various occupational settings. Marching to the beat of this standard, JKSafety unfurls a variety of offerings like hi-vis reflective safety vests, shirts, and jackets, all crafted with care to meet and even leap over the benchmarks set by the ANSI/ISEA 107-2020 Standard, weaving together safety, visibility, and comfort for the worker.

Updates in ANSI/ISEA 107-2020 Standard

The ANSI/ISEA 107-2020 Standard brought about several notable modifications from its predecessor, the ANSI/ISEA 107-2015 Standard, to better align with the evolving needs and challenges of various work environments. These changes are integral in further enhancing the safety and visibility of workers in different operational settings. Here are the key updates[3]:

Removal of High-Visibility Accessories Criteria: The 2020 update removed the criteria for high-visibility accessories, shifting the focus towards the configurations and design requirements that contribute to the Type-Performance Class designation of the garments​​.

Introduction of Single-Use Disposable Coveralls Criteria: Recognizing that garments can get easily soiled in certain work environments, the standard now includes specific criteria for single-use disposable coveralls. These coveralls are required to comply with the minimum material amounts and color requirements imposed on all compliant HVSA. The associated material integrity requirements are solely applicable to these single-use disposable coveralls, which also have unique marking requirements​​.

Updates to Test Methods: The standard now features updated test methods to align more closely with other material integrity tests and recognizes the current versions used for evaluating the materials​​.

Introduction of Overall Nighttime Luminance Measurement: A new concept of measuring the overall nighttime luminance of a garment has been introduced, allowing manufacturers to test a garment's luminance according to ASTM E1501. This optional testing feature helps in assessing the garment’s visibility under low light conditions, which is crucial for nighttime operations​​.

New Hi-Vis Garments Included: The standard now encompasses new high-visibility garments, expanding its scope to cater to a broader range of work environments and visibility needs​.

Updated Label Markings: There have been updates to label markings to provide clearer information regarding the garments' compliance with the standard​​.

Flame Resistant Protective Clothing: The 2020 update also touched on flame-resistant protective clothing, providing guidelines to ensure the safety of workers in environments where there is a risk of exposure to flames​​.

These updates in the ANSI/ISEA 107-2020 Standard underscore the continual efforts to enhance the safety and visibility of workers across various sectors.

The Significance and Effects of Following the ANSI/ISEA 107-2020 Standard

The ANSI/ISEA 107-2020 Standard serves as a critical guide emphasizing the necessity of high-visibility safety apparel (HVSA) in bolstering workplace safety, especially in zones prone to struck-by injuries. Here are some key takeaways regarding the importance and impact of adhering to this standard:

Enhanced Visibility: The ANSI/ISEA 107-2020 standard lays down performance benchmarks for HVSA, ensuring workers remain visible in various lighting situations, be it day or night. This holds a special significance in hazardous conditions or scenarios where potential threats loom.

Preventing Struck-By Injuries: In the US, nearly 1 in 5 construction site fatalities are a result of struck-by injuries[4]. Adhering to the ANSI/ISEA 107-2020 Standard is a stride towards reducing struck-by injuries and fatalities, particularly in the construction sector.

Alerting Vehicle Operators: When workers don high-visibility garments, it signals their presence to vehicle operators, especially in low-light settings, thus minimizing accident risks.

Approved Use on Work Sites: To ensure HVSA is effective and approved for use on work sites, it's vital to look for marks of standards like ANSI/ISEA 107-2020. This guarantees the apparel aligns with the recent or past editions of the American National Standard for HVSA and is greenlit for use on site or in public areas.

Color Significance: The bright colors and reflective materials in HVSA are not merely eye-catching but signal caution and danger, aiding in swift decision-making and averting potential injuries to workers.

Cross-Industry Applicability: The standard finds relevance across a myriad of industries including construction, oil and gas, mining, and emergency response, thus widening its safety net across varied operational environments.

people wearing safety vests can operating forklift in a warehouse


Continuous Evolution of Safety Standards: The tweaks in ANSI/ISEA 107-2020 mirror the ongoing endeavors to uplift safety standards in tune with evolving workplace challenges and technological strides.

Adhering to the ANSI/ISEA 107-2020 Standard isn’t just a nod to safety but often a legal mandate. As a purveyor of high-quality HVSA, JKSafety continuously aligns its product range with the evolving standards, ensuring that our customers have access to compliant, safe, and effective high-visibility workwear solutions.

Conclusion and Future

The ANSI/ISEA 107-2020 Standard is a hallmark in advancing occupational safety across a multitude of industries. It carefully delineates the design, performance, and labeling requisites for High-Visibility Safety Apparel (HVSA), ensuring the workers stands out in potentially hazardous scenarios. This standard embodies the ongoing endeavors to uplift workplace safety and acts as a roadmap for manufacturers, employers, and workers in making informed choices regarding HVSA.

At JKSafety, we hold a banner of offering a broad spectrum of HVSA that aligns with the ANSI/ISEA 107-2020 Standard. Our offerings, including hi-vis safety vests, hi-vis safety shirts, and hi-vis safety jacket, are meticulously crafted to meet and surpass the stringent criteria of this standard. By opting for JKSafety, you're not merely investing in top-grade safety apparel, but also in a safer and more secure working ambiance.

As industries evolve and workplace environments become more complex, the ANSI/ISEA 107-2020 Standard is poised to continue adapting to meet the emerging needs and challenges. The ongoing technological advancements in material science and digital technology might lead to the integration of smart features within High-Visibility Safety Apparel (HVSA), such as embedded sensors or connectivity capabilities to further enhance worker safety. There might be more rigorous performance and testing criteria to address a broader spectrum of occupational hazards. Furthermore, as global occupational safety standards harmonize, the ANSI/ISEA 107-2020 might see modifications to align better with international standards, making it more applicable across borders. At JKSafety, we remain committed to staying abreast of these changes, ensuring our product offerings continue to meet and exceed the evolving standards, thereby providing our customers with the most advanced and compliant HVSA solutions.


  1. ANSI/ISEA 107-2020 Standard
  2. ANSI/ISEA 107-2020 Made Easier
  3. ANSI/ISEA 107-2020: High-Visibility Safety Apparel
  4. Census of Fatal Occupational Injuries Data

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