Before You Buy FR Clothing: 5 Questions That Decide What Your Job Site Actually Needs

The right FR clothing is the clothing your site's hazard assessment calls for, in a fit you will wear for the whole shift. Fabric names and brand claims come second. Most buying mistakes happen when someone shops by fabric or price before finding out which hazard, standard and rating apply to the job.

These five questions put the decision in the right order. Answer them with your safety lead, then use the NKE Safety Apparel picks at the end to build the outfit.

1. What hazard am I protecting against?

FR clothing is designed for two hazards: flash fire and electric arc flash. Your employer's workplace hazard assessment says which one applies to your tasks. OSHA's PPE standard, 1910.132(d), requires employers to assess the workplace, select PPE that protects against the hazards found, and certify the assessment in writing.

Before you shop, ask for the written assessment or your site's FR policy, and note three things: the task, the hazard and who assessed it. If you weld, our post on what OSHA actually requires for welding shirts explains why there is no blanket rule.

2. Which standard and rating does my site require?

Match the hazard to the standard, then check the label for it:

Two points trip buyers up:

• FR and arc-rated are different labels. All arc-rated clothing is flame resistant, but FR clothing does not always carry an arc rating. If your assessment sets an arc-rating requirement, FR clothing without one cannot meet it. Our guide to arc-rated vs. flame-resistant clothing goes deeper.

• More protection is not always better. The rating should meet or exceed the hazard. A garment rated well above what the hazard requires adds discomfort and cost without a reason. Our posts on NFPA 70E clothing requirements and the CAT 1 to CAT 4 levels help you read the numbers.

3. Am I buying one garment or a system?

A shirt, pants, base layer and jacket are worn together, so they have to work together. The outermost layer should be FR, and non-FR pieces worn on top of FR clothing can ignite or melt and make it fail. Arc ratings of layered pieces also do not simply add up, so ask your safety lead how your site rates a layered outfit.

For more, read our layering rules for FR clothing and the comparison of coveralls vs. layered FR workwear.

4. What fabric and care routine can I live with?

Fabric names such as modacrylic blends, inherent FR fibers and treated cotton describe how a garment is made. The label's standards and care instructions tell you what it is rated for and how to keep it that way. Our post on inherent vs. treated FR fabric covers the trade-offs.

Care matters because flammable residue is a hidden risk. Oil, grease and fuel left in the fabric can burn even when the fabric itself is flame resistant. ASTM's guide to laundering FR clothing stresses that flammable contaminants must come out in the wash. Before you buy, decide who launders the clothing and how, and read how to wash FR clothing without ruining its flame resistance.

Set replacement by condition, not by a calendar. Our guide to when to replace FR clothing lists the wear signs that matter.

5. Will I wear it correctly for the whole shift?

Protection only counts when the garment stays on, fastened and tucked in. Clothing that is too hot, too stiff or poorly sized gets sleeves rolled up and shirttails pulled out. Think about your climate and your movement before you buy: reaching, kneeling, climbing and heat all change which cut and weight works. See our guide to lighter-weight FR workwear for hot shifts for the heat side of that choice.

If you also need high visibility, check for both labels. Our post on FR hi-vis combo clothing explains why one certification is not enough.

What to ask the supplier before you order

• Which standards does this style's label state?

• Is an arc rating listed, and in what units?

• What are the fabric content and the care instructions?

• What are the size chart and the return policy if the fit is off?

• Can I order for a crew, and is there a program for it?

Build the outfit: NKE Safety Apparel options by need

Once your answers are clear, these NKE Safety Apparel options cover the common pieces. Fabric details are as listed on the product pages.

The product listings give fabric and weight, not standards or arc ratings. Open each product page and check its details against your answer to question 2 before you order.

Put your answers to work

Start with the hazard, then the standard, then the system, the care routine and the fit. Fabric and brand come last, and the shopping gets simple.

Ready to build your outfit? Browse the NKE Safety Apparel FR clothing collections, or if you are outfitting a team, look at the distributor program, read our guide to buying FR clothing in bulk, or email Onlinestore@nkesafetyapparel.com.

FAQs

1. How do I know which FR clothing my job requires? Ask your employer for the workplace hazard assessment or the site's FR policy. OSHA requires employers to assess hazards and select PPE for them. The assessment names the hazard (flash fire, arc flash or both) and the standard or rating you need.

2. Is FR clothing the same as arc-rated clothing? No. Arc-rated clothing is flame resistant and also carries a tested arc rating. FR clothing without an arc rating cannot be used to meet an arc-rating requirement.

3. What does cal/cm2 mean on an FR label? It is the unit for the arc rating, the heat energy the garment has been rated to handle in arc testing. The rating should meet or exceed the energy level your hazard assessment sets.

4. Do I need NFPA 2112 clothing? Only if your hazard assessment finds a flash-fire risk. NFPA 2112 covers FR garments for areas at risk from flash fire, so if your site names it, buy garments labeled to it.

5. Is a higher arc rating always better? No. The rating has to meet your hazard level, never fall below it, and a garment rated far above it adds discomfort and cost without a reason.

6. Can I wear any brand of FR clothing on my site? Only clothing that meets what your site requires. Check the label for the standards your assessment names and confirm with your safety lead before you buy.

7. How often should FR clothing be replaced? By condition, not by a fixed number of months. Retire a garment when it shows damage or wear, or when flammable contamination will not wash out.