ANSI Class 2 vs Class 3 Hi-Vis: A Wholesale Buyer's Guide

Updated for 2026, including the OSHA PPE Fit Rule that took effect January 13, 2025.

If you're buying hi-vis safety apparel for a crew, the most common mistake isn't picking the wrong color or fabric. It's picking the wrong class. A vest that looks bright, has reflective tape, and seems "obviously visible" can fail an OSHA inspection if it doesn't meet the right ANSI/ISEA 107 class for the job site, the speed of nearby traffic, or the lighting conditions. And under the 2025 PPE fit rule, even a properly classified vest can put you out of compliance if it isn't sized to each worker.

This guide walks through the technical differences between Class 2 and Class 3 hi-vis, when each is required, the often-overlooked Type R/O/P distinction, the 2025 fit rule, and how to spec hi-vis apparel for bulk orders without buying the wrong gear. It's written for program managers, safety officers, and decorators ordering hi-vis for crews, not for individual workers buying a single vest.

What ANSI/ISEA 107 Actually Is

ANSI/ISEA 107 is the American national standard that defines what makes a high-visibility garment compliant. The current version is ANSI/ISEA 107-2020, but garments certified to ANSI/ISEA 107-2015 are still widely accepted because OSHA references the standard generally rather than locking compliance to a single edition. The standard specifies three things: how much fluorescent background material a garment carries, how much retroreflective tape it carries, and where that tape is placed.

OSHA itself doesn't write hi-vis specifications. Instead, OSHA references ANSI/ISEA 107 (and the Federal Highway Administration's Manual on Uniform Traffic Control Devices, the MUTCD) as the compliance benchmark, and enforces violations under its General Duty Clause and construction PPE standards (29 CFR 1926). When an inspector flags a vest as non-compliant, what they're checking is whether the garment carries a valid ANSI/ISEA 107 label and whether the class is appropriate for the job.

Class 1 vs Class 2 vs Class 3: The Technical Differences

The three classes correspond to body coverage, total fluorescent background material, and total reflective tape. Higher class means more material, more coverage, and a higher visibility distance.

Class 1

Minimum 217 square inches of fluorescent background material, 155 square inches of retroreflective tape. Designed for environments with traffic under 25 mph and where workers are clearly separated from traffic. Examples: parking lot attendants, sidewalk maintenance, warehouse staff away from active forklifts. Class 1 is rarely the right answer for any active outdoor crew. It's also limited to Type O (off-road) garments, which means it cannot be worn for any work involving public roadways.

Class 2

Minimum 775 square inches of fluorescent background material, 201 square inches of retroreflective tape. Designed for traffic moving 25 to 50 mph or environments with complex visual backgrounds (heavy machinery, multiple workers, low-contrast surroundings). Examples: school crossing guards, airport ground crews, surveyors, road crews in low-speed zones, warehouse workers around forklift traffic. Class 2 is the working baseline for most construction, utility, and outdoor labor crews.

Class 3

Minimum 1,240 square inches of fluorescent background material, 310 square inches of retroreflective tape. Designed for traffic above 50 mph, low-light or nighttime work, or any environment where worker visibility from a distance is critical. Class 3 visible at roughly 1,280 feet under headlight illumination. Examples: highway construction, utility workers near high-speed roads, emergency responders, flaggers (in most jurisdictions), and any crew working dawn/dusk/night shifts.

The single most important structural difference: Class 3 garments must include reflective material on the sleeves and/or legs, not just the torso. This is why a vest alone cannot be Class 3. A Class 3 garment is typically a long-sleeved jacket, a hooded sweatshirt with reflective sleeves, a coverall, or a Class 2 vest combined with Class E pants where the combined coverage meets the Class 3 minimum. If a "Class 3 vest" exists in a catalog, it's either mislabeled or it requires additional Class E pants to actually achieve Class 3 compliance.

Type R vs Type O vs Type P: The Other Axis Buyers Miss

Beyond class, ANSI/ISEA 107 also assigns a type based on the work environment. This is where a lot of buyers get tripped up, because two garments can both be "Class 2" but only one is appropriate for road work.

• Type O (Off-Road). Designed for environments without exposure to public roadway traffic. Type O is limited to Class 1 only and is appropriate for warehouse staff, indoor facility workers, railway workers (non-roadway), and similar environments. Type O is not acceptable for any work near public roads.
• Type R (Roadway). Required for any worker exposed to vehicle traffic on public roads. Available in Class 2 or Class 3. This is the default for construction, road maintenance, flagging, utility work, and most outdoor crew applications.
• Type P (Public Safety). Designed for emergency responders, law enforcement, and incident response personnel. Available in Class 2 or Class 3. Type P garments often include features for tactical equipment access (radio clips, badge mounts, breakaway closures).

The full certification language on a compliant label looks like ANSI/ISEA 107-2020 Type R Class 2 or ANSI/ISEA 107-2015 Type R Class 3. If the label only says "Class 2" without a type, that's a red flag. If it doesn't say ANSI/ISEA 107 at all, it isn't certified, regardless of how bright it looks.

How to Spec the Right Class for Your Crew

The decision usually comes down to four factors: traffic speed, time of day, complexity of the visual environment, and worker role.

Traffic speed. Under 25 mph in a controlled environment with worker separation: Class 1 may be sufficient (off-road only). 25 to 50 mph: Class 2 minimum, Type R required for road exposure. Above 50 mph: Class 3, Type R required.

Time of day. Night, dawn, dusk, fog, heavy rain, or any reduced-visibility condition pushes the requirement to Class 3 regardless of speed. Driver reaction time drops in low light, and the additional reflective material in Class 3 garments matters more when headlights are the primary visibility source. If your crew works any meaningful overnight or pre-dawn hours, default to Class 3.

Complex backgrounds. Job sites with heavy equipment, multiple workers in motion, poor sight lines, or visually noisy surroundings (construction debris, vegetation, mixed-color materials) reduce the practical visibility of any single garment. In these environments, Class 3 provides the additional reflective coverage needed to keep individual workers distinguishable from the background.

Worker role. Some roles default to Class 3 regardless of speed or lighting:

• Flaggers. OSHA's minimum is Class 2, but the MUTCD and most state DOTs mandate Class 3 for flaggers on any active roadway. If you're outfitting flaggers, default to Class 3.
• Highway construction. Class 3, Type R, regardless of speed posted.
• Emergency responders on active roads. Class 3, Type P, full coverage.
• Workers operating equipment whose attention is on a task, not on traffic. Class 3, because reaction time to hazards is reduced.

The general rule: when in doubt, go Class 3. There's no compliance penalty for exceeding the minimum, and the additional cost is small relative to the cost of a single inspection citation or a workplace accident.

The 2025 OSHA PPE Fit Rule: What Changed for Bulk Buyers

Effective January 13, 2025, OSHA updated 29 CFR 1926.95 to require that all PPE in the construction industry must properly fit each individual worker. This applies to hi-vis vests, jackets, and all other PPE. The rule explicitly addresses the long-standing practice of stocking one-size-fits-all garments in a communal bin and handing them out without sizing.

For wholesale buyers, this means three things in practice:

1. You need to stock multiple sizes. Programs that previously bought a single SKU in bulk now need to forecast size distribution across the crew. For most outdoor labor crews, that means a meaningful spread from S through 4XL, with tall sizes for crews that include taller workers.
2. Tall and big-and-tall sizing matters. One-size-fits-all vests with side-snap adjusters rarely fit workers above 6'2" or above XXL chest size in a way that meets the fit standard. Brands like Berne carry hi-vis in regular and tall, which helps.
3. Communal bins for hi-vis are out. Each worker should have a properly sized vest assigned, not a vest pulled from a shared rack at the start of the shift. Documentation of fit is part of the compliance record.

The fines for PPE violations under the updated standard are not minor. As of 2026, a serious violation can carry a penalty above $16,000 per instance, with willful or repeated violations exceeding $160,000. Beyond direct fines, a failed inspection can delay project timelines, increase insurance premiums, and affect future contract eligibility with general contractors who track subcontractor safety records.

Decorating Hi-Vis: What Decorators Need to Know

This is where most general hi-vis guides stop, but it's the question that matters most for screen printers, embroidery shops, and decoration program managers.

Decorating over reflective tape voids the ANSI certification. The reflective tape's retroreflectivity depends on a specific surface microstructure (typically glass beads or prismatic elements). Heat from screen print curing, embroidery thread piercing, or DTF transfer adhesion all degrade or block the reflective surface. A garment that's been decorated over its reflective tape no longer meets the standard, even if the rest of the garment is unchanged.

The practical implication: decoration on hi-vis garments must be placed on the fluorescent background material only, not on or across the reflective tape. This restricts decoration to specific zones:

• Left chest. The most common decoration zone on hi-vis vests and shirts. Sized typically 3.5" to 4" wide, well clear of the chest reflective stripe.
• Upper back. Logo and company name placement above the upper reflective stripe. The "yoke" area between the shoulders and the top reflective band.
• Sleeve. Some garments allow a small forearm logo on the fabric between sleeve reflective bands, though the available area is usually limited.

For high-volume programs, the most reliable approach is to decorate before any garment-specific reflective tape application is finalized, or to spec garments with decoration zones designed in. Several Berne hi-vis garments at Bulkthreads have purpose-designed decoration zones: the HVK012 and HVK013 hi-vis pocket tees include a left-chest pocket panel that's cleanly positioned away from the reflective tape, making them straightforward to embroider or screen print without certification concerns.

The decoration method matters too. Embroidery is generally the safest because the thread sits on top of the fabric without affecting tape. Screen printing requires careful curing temperatures since polyester hi-vis fabric is heat-sensitive (sublimation dye migration is a real risk above ~280°F). DTF transfers and heat-applied vinyl work well on hi-vis polyester at correct application temperatures, with the same caveat about tape avoidance.

Common Buying Mistakes

Buying Class 1 for road-adjacent work. Class 1 is Type O only and isn't acceptable for any work involving public roadways. If your crew is anywhere near vehicle traffic, you need Class 2 minimum, Type R.

Buying a "Class 3 vest" without checking the label. A vest alone cannot meet Class 3 because Class 3 requires sleeves and/or legs. If a product is marketed as a Class 3 vest, verify the label specifies "vest + Class E pants combination" or treat the claim as inaccurate.

Buying for the lowest spec on the job. If your crew's roles vary (some workers near traffic, some away from it), spec to the highest-risk role on the team. The marginal cost of Class 3 over Class 2 is small relative to the inspection risk and the practical benefit of higher visibility.

Skipping size diversity. Under the 2025 fit rule, ordering 50 mediums for a 50-person crew is no longer compliant, even if the workers fit. Documentation of size assignment and fit verification matters for inspections.

Decorating over reflective tape. Voids ANSI certification and turns a compliant garment into a non-compliant one. Decoration must stay on the fluorescent background material.

Ignoring the fabric. Hi-vis polyester mesh (4 oz. typical) is comfortable in heat but not for cold-weather work. For winter crews, hi-vis hooded sweatshirts and soft shell jackets carry the same Class 3 certification as a vest at the appropriate weight. The Berne HVF021 Hi-Vis Class 3 Lined Hooded Sweatshirt and HVJS206 Hi-Vis Class 3 Hooded Soft Shell Jacket are examples of fully certified Class 3 winter outerwear.

Spec Checklist for Bulk Hi-Vis Orders

Before placing a bulk order, confirm:

1. The class matches the highest-risk role and condition on the crew (default Class 3 for any traffic above 50 mph, low-light work, or flaggers).
2. The type matches the environment (Type R for any roadway exposure, Type O only for off-road work, Type P for emergency response).
3. The label reads "ANSI/ISEA 107-2020" or "ANSI/ISEA 107-2015" with the type and class clearly stated.
4. The fabric matches the season (mesh for warm weather, fleece or soft shell for cold).
5. The size range covers your full crew (S through at least 3XL, plus tall sizes if your crew includes workers above 6'2").
6. The decoration plan keeps logos and text on fluorescent background material only, never on reflective tape.
7. You've documented the size assignment for each worker as part of your PPE compliance record.

Wholesale Hi-Vis at Bulkthreads

Bulkthreads carries ANSI-certified hi-vis from Berne and Kishigo, with automatic volume discounts at checkout and same-day shipping on most orders. The lineup covers all the common configurations:

Class 2 vests: Berne HVV042 Economy Vest (4 oz. polyester mesh, ANSI/ISEA 107 Type R Class 2) and HVV046 Multi-Color Vest for crews that want enhanced contrast.

Class 2 and Class 3 hi-vis tees: Berne HVK012 (Class 2), HVK013 (Class 3), and HVK017 (Class 2 color-blocked), all 4 oz. polyester birdseye mesh with moisture-management and a left-chest pocket positioned for clean decoration.

Class 3 hi-vis hooded sweatshirts: Berne HVF021 (lined Class 3 pullover) and HVF023 (color-block Class 3 full-zip) for cold-weather crews that need Class 3 certification in a fleece weight.

Class 3 hi-vis outerwear: Berne HVJS206 Class 3 Hooded Soft Shell Jacket (8 oz. polyester softshell bonded to microfleece, wind- and water-resistant) for transitional and winter work.

For deeper hi-vis selection across more specialized categories (hi-vis rainwear, surveyor vests, hi-vis pants, FR-rated hi-vis), the Kishigo collection covers more ground as a dedicated safety brand. The full hi-vis range is available at Wholesale Hi-Vis and Safety Apparel, and the complete Berne workwear catalog including hi-vis is at Wholesale Berne Apparel.

Frequently Asked Questions

Can a vest alone be ANSI Class 3?

No. Class 3 requires reflective material on the sleeves and/or legs in addition to the torso. A vest alone cannot meet Class 3 because it doesn't cover the arms or legs. A garment that's marketed as a "Class 3 vest" is either mislabeled or requires Class E pants to be combined for compliance.

Is a Class 2 vest enough for flaggers?

OSHA's minimum is Class 2, but the Federal Highway Administration's MUTCD and most state DOTs require Class 3 for flaggers on any active roadway. In practice, flaggers should default to Class 3 regardless of the speed limit posted.

What's the difference between Type R and Type O hi-vis?

Type R is for roadway exposure (workers near vehicle traffic on public roads). Type O is for off-road environments only (warehouse, indoor facility, non-roadway). Type O is limited to Class 1 and is not acceptable for any roadway work. The full certification on the label specifies both type and class together.

Does decorating hi-vis apparel void the ANSI certification?

It depends on placement. Decoration on the fluorescent background material does not void certification. Decoration over the reflective tape (screen print, embroidery, or heat transfer) degrades or blocks the retroreflective surface and does void certification. The practical rule: keep all decoration on the fluorescent background material, never on or across the reflective tape.

What changed under the 2025 OSHA PPE Fit Rule?

Effective January 13, 2025, OSHA's updated construction PPE standard (29 CFR 1926.95) requires that all PPE, including hi-vis vests and jackets, properly fit each individual worker. Employers can no longer rely on one-size-fits-all distribution from a shared bin. For bulk buyers, this means stocking a wider range of sizes and documenting size assignment per worker.

How often should hi-vis garments be replaced?

ANSI/ISEA 107 doesn't set a specific expiration. In daily-wear environments, most safety managers replace vests every 6 to 12 months. Replace any garment when the fluorescent background fades noticeably, when reflective tape is cracked or peeling, when fabric is torn or stained beyond visibility, or when fit is compromised. Garments not in everyday use can typically last up to three years.

Are hi-vis garments certified to ANSI/ISEA 107-2015 still compliant?

Yes. OSHA references the standard generally rather than locking compliance to a single edition. Garments certified to the 2015 standard are still widely accepted, alongside the current 2020 version. The label should clearly state which edition the garment was certified to, along with the type and class.