Company apparel orders mean you work with quotes and spec sheets from suppliers. Certifications start to show up on the paperwork and are sewn into the hang tags, and one that pops up quite a bit is something called Oeko-Tex Standard 100. Most business owners and the staff who do the purchasing don't pay much attention to it, even though there are some implications for your employees and your business as a whole.
Your employees spend 8 hours a day in their work clothes, sometimes even longer than that. When you give an employee a branded polo or a company uniform, they put their trust in you that what they're wearing won't irritate their skin or expose them to harmful chemicals day in and day out. Workers' comp claims can come from textile problems like this, and your team's morale is going to suffer when workers start to get rashes or learn that their uniform could have some questionable chemicals. Businesses that ignore fabric safety might face legal action and have employees who feel undervalued or worried about what they're being asked to put on their bodies every day.
It's great to avoid the hassles and legal issues. But certified apparel brings benefits that go past just staying out of hot water. Buying certified apparel for your entire team shows that employee health matters just as much to you as a polished brand image. Certified garments are also usually of a higher quality. Factories that stick to strict testing standards usually have better quality control across the board, so you get better colorfastness and durability in your garments. These benefits add up over time, even more so if you run a uniform program long-term and place orders on a steady basis.
Let's talk about what this certification means for your company's apparel!
What Harmful Chemicals Are They Testing
The certification process tests fabrics for a full list of harmful substances that could have been hiding in the material. We're talking about substances like formaldehyde, heavy metals (lead and cadmium are the main offenders), pesticides and a whole bunch of chemicals that have been linked to cancer - and they all can work their way into textiles during the manufacturing process.
Azo dyes are a perfect example of why this matters. Some of these dyes can break down when they come in contact with your sweat, and when this happens, they release carcinogenic compounds right onto your skin. We're talking about chemicals seeping into your body as you're just wearing a normal shirt throughout the day.
These chemicals get into your clothes much earlier - right at the start of production. Cotton farmers use a lot of pesticides, and residue from those chemicals stays in the fibers even after the harvest. Once production begins, manufacturers add dyes to give the fabric its color, then they add chemical treatments to make the final product wrinkle-resistant or water-repellent. Manufacturers add formaldehyde to the fabric to stop it from wrinkling and shrinking during the shipping process. Heavy metals mostly come from the dyes and the printing inks they use on the material. Each step along the production line opens up another chance for questionable chemicals to get into the final product.
The health dangers from these chemicals are real problems that are worth paying attention to. Formaldehyde is a known irritant that bothers your skin and your respiratory system when you're exposed to it. Heavy metals are especially bad because they don't pass through your body - they actually accumulate and stay there over time. What makes this even more dangerous is when people wear contaminated clothing day after day because that exposure just keeps adding up.
How Products Are Divided Into Classes
The certification system breaks products down into four different classes, and it does this based on how much time they spend in contact with your skin. Products that sit closer to your body for longer periods have much stricter limits on which chemicals go into them.
Class I products are designed specifically for babies and young children, and that makes sense when you look at what they're being exposed to. A baby's skin is a lot more sensitive than ours, and if you've ever been around toddlers, they love to stick everything they can grab into their mouths. Because of this, Class I items have to meet the strictest safety standards out of all four classes - and by a pretty wide margin. This means items like baby clothes, crib sheets and those little blankets that seem to go everywhere with them.
Class II is for anything that's going to make direct contact with your skin. Most businesses order employee t-shirts and polo shirts for their teams, and these types of items fall right into this category. Because your staff is going to be wearing these against their bare skin all day long, the chemical limits on them are pretty strict (though not quite as tight as what baby products have to meet).
Class III products are the ones that won't actually touch your skin. An example of this would be a company jacket or windbreaker that you'd wear over your other clothes. The safety standards aren't as strict for this class, and that makes sense if you look at it - there's less chance of any chemicals reaching your body. Most branded outerwear and work uniforms that work as outer layers are going to fall into this category.
Class IV fabrics are used for decorative materials around the home - items like table linens or curtains. Direct contact with the skin is pretty rare with these products, and that makes sense with how they're being used.
An example from a common business order can help make this concept much easier to understand. Say your company orders undershirts for employees to wear as a base layer underneath their regular clothes. Well, these would need to have Class II certification since they're going to be sitting directly against someone's skin for an entire workday. But for those branded windbreakers you give away at trade shows, Class III is fine since customers are just going to throw them on over whatever else they're already wearing. Testing labs will actually review how employees are going to use each garment in actual conditions, and from there, they can choose which class makes sense and what the safety limits should be.
What Should You Know About the Renewal
Manufacturers need to renew their Oeko-Tex Standard 100 certification every year. This certification doesn't work like a permanent achievement that businesses can earn once and hold onto forever - the annual renewal is built into the program to make sure that the latest standards are met all of the time.
The testing organization does random, unannounced checks all year long to make sure that standards remain compliant. Visits like this identify any changes that might crop up between the annual renewals, and changes like this happen frequently in the industry.
Textile factories are always changing their processes, and those changes affect whether a product stays certified or not. A factory might start working with a different supplier for their raw materials. The chemicals in their dyes or finishes might get adjusted slightly. They might update how they make products to speed up production or cut costs. Even small changes like these can introduce new ingredients or chemicals that weren't part of the batch when the product was first tested.
Certificates have the main dates and info about the facility printed right on them, and each one tells you when it was issued and when it expires, so you'll know how long it stays valid. The certificate also lists which production facility was tested and got approved. This helps you make sure that the product is legitimate and comes from an authorized location. Dates matter on these because certifications don't last forever - factories need to renew them each year to keep them active. This information is printed directly on the certificate and makes it easy to check everything and confirm it's current.
This actually matters a lot when you keep ordering company apparel. Your uniform program will probably run for a few years, and you'll need to reorder items multiple times during that period. Placing an order in year 1 and then coming back to reorder the same items in year 3 requires double-checking that the certification hasn't expired in the meantime. When certificates expire, the products no longer have any verified test data to support their performance claims.
Oeko-Tex requires yearly renewal, and this actually sets it apart from most of the other certifications that just test products once and move on. You can have more confidence that the uniforms across your entire team will continue to meet safety standards year after year. The testing cycle is continuous. Every new certificate comes from fresh, recent testing instead of having to rely on data that could have been 3 or 4 years old by this point.
How to Check Your Oeko-Tex Labels
We're not quite finished yet. After you find products that claim to be Oeko-Tex certified, the next step is to actually verify that certification for yourself. Every legitimate Oeko-Tex product comes with its own unique label number, and that's where the verification process comes in. All you'll have to do is take that label number and look it up in the official Oeko-Tex database, and it will tell you if the certification is genuine or not.
Legitimate labels and certificates always include a few important details worth checking. Each label will have a unique test number printed somewhere on it. On the certificate itself, look for which organization ran the tests along with the particular facility or location that earned the certification.
Certificates deserve a close look, and a few red flags are worth watching for when you're checking them over. One issue that comes up fairly regularly is when a certificate lists one manufacturer. But the products being sold are actually coming from a different facility altogether. The certification is only valid for the particular location that was tested and approved, so mismatches like this create a big problem.
Another red flag to watch for is when suppliers make vague claims about their certifications without giving you any label numbers to back them up. If a supplier tells you they use "Oeko-Tex certified materials" but can't show you the proof, that's not going to cut it. For it to count, the certification needs to cover the particular products and suppliers that are a part of your order. Just because they use certified materials somewhere in their production process doesn't automatically mean that your order is going to meet the standard.
Whenever you receive a certificate from a supplier, it's worth taking a few minutes to double-check all of the information before accepting it at face value. Make sure that the facility name listed on it is connected to your supplier, and then go ahead and cross-reference the label numbers against the database to verify that they all pull up legitimate entries. This quick check can save you from ending up with suppliers who aren't being truthful about what certifications they actually have.
Other Safety Certifications for Your Company
Once you start looking into fabric safety options for company clothing, you'll find that a few other certifications are out there as well. They're all focused on a slightly different area of protection, so the right fit for your operation depends on what matters most to you and what kinds of hazards your entire team faces on the job.
GOTS calls for organic fibers from day one and holds manufacturers to much stricter environmental standards throughout the entire production process. Businesses that want to use organic materials and support better farming practices are going to find that GOTS gives them a much more complete picture than Oeko-Tex Standard 100 alone. Cradle to Cradle takes a different strategy and looks at the entire lifecycle of each garment. It pushes manufacturers to design for recyclability from day one. The focus is on circular economy principles - materials need to be able to cycle back into production instead of piling up in landfills. This matters quite a bit when your business has sustainability goals that go beyond chemical safety alone. GREENGUARD certification is all about the chemical emissions that come from fabrics and how they affect indoor air quality. If your entire team wears uniforms inside for full workdays every day, this matters because you want to know what they're breathing in hour after hour. Oeko-Tex Standard 100 tests the finished fabric for harmful substances that could wind up on the skin.
What matters most to you will help you choose which certification is the right one. Oeko-Tex Standard 100 handles chemical safety well - it tests pretty thoroughly for harmful substances and covers all of the main concerns about skin contact and general safety. Beyond the chemical testing, if you also care about factors like organic sourcing, the environmental effect throughout a product's entire lifecycle or indoor air quality, the other certifications out there can help to fill in those gaps that Oeko-Tex doesn't cover.
Put Your Team First with Safety
Company apparel that carries this certification shows your entire team that their health and safety matter to your organization. Every item gets tested for more than 100 different harmful substances that might come into contact with your employees' skin during their workday. The certification divides products into four different classes, and each class is based on how much direct skin contact the item will have throughout the workday. Annual renewal is part of the program, too, so certified products have to continue to meet the updated safety standards rather than rely on the test results from years ago. You can also verify the labels online to make sure that what you ordered is actually what shows up at your door.
Verified certifications help lower your liability for skin irritation or allergic reactions from the products. On top of the legal protection, these certifications also show your entire team that their health and safety actually matter to you as a company.
Ethix Merch exists because we wanted to build a company where the work apparel can be safe, responsible and something that everyone on your entire team can comfortably wear. Transparency is a big deal to us in every part of what we do, and we think you should know what goes into each product you pick out for your entire team. Our store has a full selection of responsibly sourced options, and we'd love for you to check it out when you're in the market for company gear. We also write new posts on our blog about ethical business standards and the practices that matter most in this industry, so feel free to check it out whenever you want to dig deeper into these topics.
Daniel Cardozo, CEO of Ethix Merch, is a passionate advocate for ethical promotional products. With a mission to transform global supply chains, he serves on the Labor 411 Foundation and Advertising Specialty Institute's Promo for the Planet Advisory Board. Daniel is dedicated to empowering socially and environmentally-conscious consumers.
