When do I need Class 3 instead of Class 2?

Your employer, hazard assessment, traffic-control plan, contract documents, and current governing requirements determine the required class. Do not select a class from a generic speed rule alone.

What is the difference between Class 2 and Class 3?

They are different performance classes under the current high-visibility apparel standard. Compare the exact product certificate and design with the requirements identified by your safety lead.

Can separate garments create an approved ensemble?

Do not assume separate garments form an approved ensemble. The employer must confirm the exact top, lower-body garment, labels, and current manufacturer documentation against its hazard assessment and project rules before use.

Does every highway job require the same class?

No universal website rule replaces the project traffic-control plan or contract specification. Confirm the requirement for the exact task, roadway, visibility, and jurisdiction.

Can I add a logo to Class 3 apparel?

Only when the exact garment manufacturer's current written instructions permit the proposed method, material, size, and placement, and the employer approves it against the current hazard assessment and project rules. Do not assume decoration preserves the garment's classification.

How do I verify a qualifying garment?

The employer should review the exact garment label and current manufacturer instructions and documentation against its hazard assessment and project requirements. Similar-looking fluorescent apparel may not carry the same classification.

When should high-visibility apparel be replaced?

Follow the exact manufacturer care and retirement instructions, plus your employer inspection program. Replace damaged, contaminated, altered, or degraded garments when the governing instructions require it.

Compliance

Hi-Vis Class 3 Apparel: When You Need Class 3 Over Class 2

A planning guide to the documents and approvals that control Class 2 and Class 3 high-visibility apparel selection.

Bighorn Threads Team9 min readMay 9, 2026

Representative high-visibility apparel shown for classification planning

The ANSI 107 Rule on Class 3

ANSI/ISEA 107 defines performance classes for high-visibility safety apparel. The applicable edition, garment class, and task requirement must come from current official documents, the employer hazard assessment, and the project safety plan.

For the full Class 2 vs Class 3 background, see our ANSI 107 Class 2 vs Class 3 guide for Las Vegas crews.

When You Need Class 3 Specifically

Review the worker's task, traffic exposure, visibility, equipment movement, contract documents, and jurisdiction. Treat the employer's written selection as the order requirement. Do not infer a garment class from a job title or road name.

OSHA, MUTCD, and the Class 3 Mandate

Use current OSHA, MUTCD, project, and agency requirements. Bighorn does not determine which standard or garment class applies to the work.

How to Confirm a Class 3 Garment

The employer must use the exact product label and current manufacturer documentation to identify the garment's class. Do not classify a garment from a photo, sleeve length, color, or generic product name.

Reviewing a Proposed Logo on Class 3 Apparel

Decoration limits depend on the exact garment design and the manufacturer's current written instructions. The employer must approve the proposed method, material, size, and placement against its current hazard assessment and project rules. Do not assume a universal logo dimension applies or that decoration preserves classification.

For additional planning questions, read our custom safety vest guide.

Class 3 in Vegas — Practical Reality

Las Vegas heat adds another employer-controlled requirement. Evaluate garment classification, breathability, fit, care, heat controls, and the worker's task together. See our custom safety vest planning page and Nevada heat-rule guide.

Plan decoration for employer-selected Class 3 apparel

Bighorn Threads coordinates a proposed decoration plan through production partners. Your employer selects the class from its current hazard assessment and project rules, then approves the exact garment and decoration using the manufacturer's current written instructions and documentation. Bighorn does not certify the garment or determine workplace safety compliance.

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