Class 1 vs. Class 2 vs. Class 3 Hi-Vis: What's The Difference?
Header image: MassDOT
Quick Answer
ANSI/ISEA 107 Performance Classes 1, 2, and 3 tell you how much fluorescent and reflective material a garment carries. Class 1 is the minimum, for off-road work away from traffic. Class 2 is the standard roadway vest and the minimum for anyone on foot in a work zone. Class 3 adds material on the sleeves (and pant legs, if present) so a driver sees a person, not just a shape. It is the usual call for high-speed traffic, night work, and bad weather. A vest by itself is never Class 3.
Class 1 vs. Class 2 vs. Class 3 At A Glance
| Class 1 | Class 2 | Class 3 | |
|---|---|---|---|
| Garment Types | Type O (off-road) only | Type R (roadway) or Type P (public safety) | Type R or Type P |
| Minimum background (fluorescent) material | 217 in² | 775 in² (Type R) 450 in² (Type P) |
1,240 in² (Type R) 775 in² (Type P) |
| Minimum retroreflective material | 155 in² | 201 in² | 310 in² |
| Sleeves required? | No | No | Yes, with reflective bands encircling each sleeve |
| Meets MUTCD work zone rule? | No | Yes | Yes |
| Typical garments | Lightweight vests, hi-vis shirts | Roadway vests, short-sleeve hi-vis shirts | Long-sleeve shirts, jackets, parkas, coveralls |
| Typical users | Warehouses, parking lots, yards | Road crews, utility and municipal workers, airport ramp | Flaggers, highway crews, night shifts, DOT projects |
Minimums are for the whole garment, front and back, per ANSI/ISEA 107-2020 as summarized in the 3M ANSI/ISEA 107-2020 guide. The standard allows a smaller background area on the smallest size in a range (540 in² for Type R Class 2, 1,000 in² for Type R Class 3) so the garment fits smaller workers. Retroreflective minimums do not change.
Class 1: Off-Road Work Only
Class 1 is the least material the standard allows. It is meant for non-complex environments where struck-by hazards will not be approaching at roadway speeds. It is the only class available for Type O garments, which are built for workers around forklifts, loaders, and backing vehicles but not public traffic.
Use it for: warehouse floors, distribution centers, parking lot attendants, and yards with slow-moving equipment. Never use it for: any work on or next to a public road.
Class 2: The Roadway Minimum
Class 2 more than triples the background material of Class 1 and adds reflective material, which helps outline the wearer's torso. The federal Manual on Uniform Traffic Control Devices (MUTCD) requires workers in the right-of-way of a temporary traffic control zone to wear Class 2 or Class 3, so Class 2 is the floor for road work.
Use it for: most roadway construction, utility crews, municipal workers, surveyors, and airport ramp staff, in daylight and moderate traffic.
Class 3: Full-Body Visibility
Class 3 puts background and reflective material on the sleeves and pant legs (if the garment has them), so the wearer reads as a person through a full range of movement: arms up, bent over, turning. That is why a sleeveless vest can never be Class 3, no matter how much tape it has.
Use it for: flaggers, high-speed highway work, night work, rain, snow, fog, cluttered backgrounds, and any job where the worker's eyes are on the task instead of traffic. Many DOT and federal project specs call for it outright.
Class E: The Add-On
Class E covers hi-vis pants, bibs, shorts, and gaiters. Class E items cannot be worn alone to meet a requirement, but a Class E bottom worn with a Class 2 top makes the ensemble Class 3. That is a practical upgrade path when a crew already owns Class 2 vests.
How To Choose The Right Class
Work through these four questions. If any answer pushes you up, go up.
- Is anyone working on or near a public road? If yes, Class 2 minimum. Class 1 is out.
- How fast is traffic, and how close is it? Higher speeds and tighter clearances mean less time for a driver to react. Move to Class 3.
- When and in what conditions? Dawn, dusk, night, rain, snow, or fog all favor Class 3. Reflective material does the heavy lifting once the sun goes down.
- What does the contract say? Project specs, state DOT rules, and your own hazard assessment under OSHA 29 CFR 1910.132(d) can all set a higher class than the minimum. The spec wins.
Whatever the class, check the label. It should list ANSI/ISEA 107-2020 (2015 labels are still acceptable), the Type, and the Performance Class. If it does not say it, do not assume it.
Related Guides
ANSI 107 explained. The full standard: Types, classes, 2020 changes, and labels.
When is high-visibility clothing required? OSHA and MUTCD rules in plain English.
Winter high-visibility gear. Keeping Class 2 and 3 visible over winter layers.
When to replace a high-vis vest. Faded gear may not meet its class anymore.
Frequently Asked Questions About Hi-Vis Classes
Q: Is a Class 2 vest enough for road work?
A: It meets the MUTCD minimum. Move to Class 3 for high-speed traffic, night work, poor weather, or when the project spec requires it.
Q: Can a vest be Class 3?
A: No. Class 3 requires material on the sleeves. Pair a Class 2 vest with Class E pants, or switch to a Class 3 jacket or long-sleeve shirt.
Q: Is orange or yellow-green better?
A: Both are allowed, along with fluorescent red. Pick the color that contrasts most with the work background. Match it to the setting your crew actually works in, and check whether the project spec names a color.
Q: Does a Class 1 shirt work on a highway job if I add a reflective hat?
A: No. ANSI/ISEA 107-2020 removed accessories such as hats and gloves from the standard, so they do not change a garment's class.
Get The Right Class For Your Crew
BDG Safety helps safety managers and contracting officers match hi-vis apparel to the job and the spec. Browse safety vests, call (619) 992-7621, or email info@bulldoggroup.net. BDG Safety is a Navy-veteran-founded, certified Service-Disabled Veteran-Owned Small Business (SDVOSB) that supplies Type II safety helmets and PPE to contractors, agencies, and the U.S. Army Corps of Engineers. Real people who know the gear, no phone menus. Open a B2B account or see how to buy.
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