Key Takeaways

  • Mattress certifications help verify material safety, environmental standards, and ethical production.
  • Terms like “natural” and “plant-based” are unregulated and often used in greenwashing.
  • GOTS and OEKO-TEX® Standard 100 address different aspects of mattress safety.
  • Meaningful certifications apply to finished products, not just select materials.
  • Transparency, traceability, and third-party verification matter more than logos alone.

A new mattress is an investment in your sleep and long-term health, so it makes sense that the actual buying process is, well, involved. There are materials to consider, the most appropriate firmness for your body type and sleep style, price points, mattress height, and policies like sleep trials and warranties. There are performance categories, pillow top and cooling upgrades, and customer reviews to sift through. And then there are the mattress certifications—to the uninitiated, a mystifying series of acronyms that may only muddy the water. 

But mattress certifications really are helpful, offering useful insights into materials, safety and environmental standards, and even a company’s values. In Woolroom’s guide to mattress certifications, we break down which certifications matter, what they really mean, and how they can steer you toward a more informed decision.

Why Certifications Matter When Buying a Mattress

A growing interest in natural, eco-friendly, and organic bedding means more brands are making claims that don’t stand up to scrutiny. It’s known as greenwashing, and according to the Natural Resources Defense Council, it’s a misleading marketing practice that exaggerates or outright fakes eco-friendliness. Companies that make their products or themselves appear “greener” than they really are are trying to appeal to eco-minded shoppers without actually committing to sustainable practices. Sneaky, isn’t it?

Greenwashing often shows up in vague language, nature-inspired imagery, or claims that aren’t backed by any meaningful or enforceable standard. That’s how a mattress made with synthetic foams, chemical flame retardants, and petroleum-based adhesives but topped with a cotton cover can be described as “natural” or “plant based.” Neither of these terms are regulated, and they have no universal legal definitions in the bedding industry, which is why they’re frequently attached to mattresses with only a small percentage of materials that could truly be described as natural.

Certifications cut through the confusion by clarifying what’s actually inside a mattress and whether a particular material—or the mattress as a whole—meets established safety or environmental standards. Since you spend hours upon hours every night in very close quarters with your mattress, the materials matter. Foams, fabrics, and finishes that aren’t certified have the potential to expose you to all kinds of chemicals and substances that directly contribute to indoor air pollution. 

There are other considerations too, such as animal welfare and environmental impacts during production. Meaningful mattress certifications can offer peace of mind, ensuring that a particular bed or company shares similar values relating to safety and sustainability. It’s a trust signal that indicates evaluation from an independent third party, which makes it easier to compare mattresses based on the same consistent, transparent standards.

GOTS: Global Organic Textile Standard

The Global Organic Textile Standard, or GOTS, is one of the world’s most well known and well regarded certifications for organic textiles. GOTS has very strict standards for the entire supply chain, starting with how fibers are grown and harvested to how they’re processed, finished, and manufactured. And it’s not just about the organic status of the fiber itself, either. GOTS certification also accounts for environmental impact and social responsibility.

This certification applies to natural fibers, such as cotton and wool, and involves rigorous standards for organic fiber content, processing and manufacturing, chemicals, wastewater treatment and environmental management, and social compliance. It means GOTS is a reflection of more than just raw materials. Brands that have earned this certification, for instance, have been proven to offer safe working conditions, fair wages, and prohibit child or forced labor.

Woolroom’s farms, production facilities, organic washable bedding and Arinta bed linen collections are GOTS certified. It means when we describe our wool bedding as natural and eco-friendly, it actually means something! GOTS certification aligns with our commitment to transparency and traceability, which makes it easier for you to make an informed and confident buying decision.

OEKO-TEX Standard 100

OEKO-TEX Standard 100 is known as the original safety standard because it focuses solely on whether a product is safe for human health. Instead of evaluating how materials are grown or produced, OEKO-TEX Standard 100 tests the final finished product for over 100 harmful substances that could pose a risk through exposure, contact, or inhalation. That includes formaldehyde, heavy metals, pesticides, volatile organic compounds (VOCs), chemical flame retardants, plasticizers, and some dyes.

Products that are designed for close contact with the skin, like mattress covers and bedding, must meet the most stringent standards for certification. Even naturally derived products like wool and cotton can be exposed to chemicals at some point in the manufacturing process. OEKO-TEX Standard 100 certification helps ensure these materials are still safe as they’re turned into bedding. It’s a way of knowing that products described as “natural” have also been verified as tested and safe for use.

All of Woolroom’s bedding is certified by OEKO-TEX Standard 100, and we’re very proud to be the first and only wool bedding retailer to hold it.

Red Flags: When Certifications Don’t Mean What They Seem

Certifications from the organizations above, along with those like the Forest Stewardship Council (FSC) and Fair Trade, mean something, but that’s not always the case. Be wary of logos and icons that look official but aren’t actually associated with a recognized third-party organization. This type of unverified badge isn’t proof of compliance and amounts to a marketing symbol, so don’t let it fool you.

The same is true when brands highlight a single certified component and skip over the rest. That’s more common than you might think with mattresses, which are composed of multiple materials inside and out. If only one foam layer is certified, what does that say about the rest of them?

Like describing a product as “natural,” calling it “certified” without providing details about the type of certification or the organization that issued it is another red flag. Credible companies make it easy to verify their claims—it’s really as simple as that.

How Woolroom ensures Transparency and Trust

Woolroom’s lengthy list of certifications is just one way we showcase our commitment to transparency. Our Wool ID® Program is another. This traceability program traces the movement of wool from the farm to your home, serving as proof of our high standards for safety, sustainability, and animal welfare. We know that the very best wool comes from the happiest, healthiest animals, and this is a simple way to prove it.

We’ve already mentioned that our products have earned certifications like GOTS and OEKO-TEX Standard 100. That’s how you know our natural wool mattresses and bedding are free from synthetic layers and undisclosed chemical treatments. You don’t have to take our word for it—we have the proof to back it up.

What to Ask Before Buying a Certified Mattress?

Mattress certifications should be approached with a critical eye. While the certifications we’ve covered here offer value, that’s not always the case. If you’re considering a mattress that’s marketed as certified, here’s what to research:

  • Is the entire product certified, or only specific materials?
  • What organization issued the certification, and what verification is available?

It shouldn’t be difficult to find answers. And if it is, consider the broader meaning here.

The Bottom Line on Mattress Certifications

Mattress certifications are really about clarity. They cut through marketing claims and offer meaningful insight into how a mattress is made and whether it meets established standards for safety, sustainability, and ethics. Factoring for meaningful certifications, like GOTS and OEKO-TEX, can steer you toward brands and mattresses that align with your preferences and values. Plus, there’s the peace of mind factor. It’s a way of eliminating doubt so you can rest easy.

Frequently Asked Questions

What is the best mattress certification?

There is no “best” mattress certification, because they assess different things. GOTS focuses on organic sourcing and ethical production, while OEKO-TEX Standard 100 confirms that finished products are free from harmful substances. A mattress with multiple certifications that speak to its safety and sustainability, like those from Woolroom, can be a good option.

What certifications should a mattress have?

Look for certifications that indicate a high level of chemical safety. Beds made with naturally derived components like cotton and wool should have OEKO-TEX Standard 100 certification, which tests the finished product for harmful substances. GOTS is important if you prioritize organic materials and sustainability.

What does CertiPUR certified mean?

CertiPUR-US certification is specific to polyurethane foam. It tests for harmful emissions and chemicals in foam, but it doesn’t apply to the mattress as a whole. If you’re shopping for a foam-free mattress, certifications like OEKO-TEX Standard 100 and GOTS are more important.

Is Greenguard or Oeko-Tex better?

GREENGUARD certification focuses on indoor air quality and emissions, while OEKO-TEX Standard 100 assesses direct contact safety in finished textiles. They measure different things, so neither is inherently better than the other. If you’re looking for meaningful certifications for mattresses and bedding, OEKO-TEX Standard 100 is probably more applicable.

  • Jessica Timmons

    Jessica Timmons has spent close to two decades writing about sleep, health, and wellness, and no bedding material impresses her more than wool. In her work with Woolroom marketing team, she crafts engaging, highly detailed articles that dig into the science, sustainability, and sleep benefits of this remarkable natural fiber. When she isn’t singing wool's praises, she loves traveling the world with her husband and four kids, hitting the garage gym, and getting stretchy on her yoga mat.

Send us a message

Have a question about our products or the post above?

Chat with a member of the team. We usually respond within 1 minute during opening hours

Leave a review

Please note that we are unable to reply directly to comments. If you have a question, we kindly ask that you contact us or use our live chat service. All comments will be reviewed and approved before being published.