ANSI Class 2 vs Class 3: What's the Difference?
ANSI Class 2 and Class 3 hi-vis garments look similar but have different visible-area requirements. Here is how to choose, and when a Class 2 shirt becomes Class 3.
Read guide Sep 18, 2026
Buying hi-vis clothing looks simple until a site audit questions the label, the tape peels after ten washes, or half the crew is wearing the wrong class. This guide walks through the decisions that matter, in the order you will make them.
Ask three questions before looking at products:
Write the answer into the purchase specification. “Hi-vis vest” is not a specification; “ANSI/ISEA 107 Class 2 mesh vest, fluorescent lime, 2 in silver tape” is.
Most programs need more than a vest:
A common mistake is buying compliant tops and non-compliant trousers. If workers bend or kneel, the top may no longer cover the visible area, which is exactly why Class E trousers exist.
| Fabric | Best for | Watch out for |
|---|---|---|
| Polyester mesh 120–150 gsm | Hot climates, vests | Less durable in abrasive work |
| Knit jersey 150–190 gsm | Summer tees and polos | Color fading if low-quality dye |
| Poly-cotton twill 240–280 gsm | Shirts, solid vests | Heavier and warmer |
| 300D oxford with PU | Rain and winter shells | Breathability varies |
| FR modacrylic blend | Oil, gas, electrical | Higher cost, longer lead time |
If garments go through industrial laundry, say so at quotation stage. Home-laundry garments and industrial-laundry garments are tested differently, and tape adhesion matters.
Ask for wash-test data. A vest that looks reflective at delivery but dulls after 15 washes is a false economy.
Hi-vis area requirements assume the garment is worn as designed and fits properly. An oversized vest can hang open and reduce visible area; an undersized jacket can restrict movement and get left in the truck.
Order a size set, run a wear trial with a few crew members, and record the size matrix. For women, use a female pattern rather than converting from men’s sizes.
Logos are usually applied to the chest or back. On hi-vis garments, decoration must not reduce the reflective or background area below the class requirement. FR garments require FR-rated thread and backing.
If your program includes names or department marks, decide the placement and the packing method (individual bags, size sets) before the order is placed.
Ask for:
A supplier who cannot provide documents for the exact product is a risk, no matter how good the sample looks.
Hi-vis garments degrade. Tape scratches, fabric fades and garments get damaged. A program that buys the cheapest vest often replaces it twice as often.
Estimate annual replacement at 20–40% of the active workforce depending on the trade, and negotiate reorder pricing and stock holding with your supplier.
ANSI/ISEA 107 Class 2 mesh safety vest, 120 gsm polyester, 2 in silver segmented tape, hook-and-loop front, radio loop and 4 pockets, fluorescent lime, sizes M–5XL, logo screen printed left chest, individually poly bagged, test reports supplied per lot, MOQ 500 pcs.
That level of detail gets you comparable quotes and a product that passes audit.
Our hi-vis collection is built around these specifications, and we can quote a full program with samples and test documentation.
ANSI Class 2 and Class 3 hi-vis garments look similar but have different visible-area requirements. Here is how to choose, and when a Class 2 shirt becomes Class 3.
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