Mattress Certifications Explained: What GOTS, GOLS, CertiPUR-US Actually Mean
A clear breakdown of every major mattress certification — what each one tests for, why it matters, and which brands carry them.
Mattress certifications can be confusing, with many brands displaying logos that may or may not carry real significance. This guide explains what each major certification actually requires and why it matters for your health and purchasing decision.
CertiPUR-US
What it covers: Polyurethane foam (including memory foam) used in mattress construction.
What it tests for: CertiPUR-US certified foams are made without ozone-depleting chemicals, PBDE flame retardants, mercury, lead, heavy metals, formaldehyde, and phthalates. The certification also sets limits on volatile organic compound (VOC) emissions.
Why it matters: This is the baseline certification for conventional foam mattresses. Nearly every reputable mattress brand that uses polyurethane foam carries CertiPUR-US certification. If a foam mattress does not have this certification, that should raise questions about the quality and safety of the foam being used.
Brands that carry it: Saatva, Tempur-Pedic, Purple, Helix, Casper, Nectar, DreamCloud, and most other mainstream brands.
GREENGUARD Gold
What it covers: Total chemical emissions from the finished product (not just individual materials).
What it tests for: Products are tested for more than 360 individual volatile organic compounds (VOCs) and total chemical emissions. GREENGUARD Gold follows California's CDPH Standard Method V1.2 (Section 01350), which is designed to protect sensitive populations including children and elderly individuals.
Why it matters: Unlike CertiPUR-US, which only tests the foam component, GREENGUARD Gold evaluates the entire finished mattress for emissions. This is one of the most rigorous emissions certifications available and is particularly relevant for people with chemical sensitivities, allergies, or respiratory conditions.
Brands that carry it: Avocado, Birch, PlushBeds, Naturepedic, Tuft & Needle, and most organic mattress brands.
GOTS (Global Organic Textile Standard)
What it covers: Textiles (cotton, wool, and other fibers) used in mattress construction.
What it requires: Products labeled "organic" under GOTS must contain at least 95% certified organic fiber content by weight. The standard also prohibits toxic dyes and formaldehyde, sets requirements for wastewater treatment, and establishes fair labor conditions throughout the supply chain.
Why it matters: GOTS is the leading international standard for organic textiles. When a mattress cover or wool layer carries GOTS certification, you can be confident that the fiber materials meet strict organic farming and processing requirements.
Brands that carry it: PlushBeds, Birch, Avocado, Naturepedic, Eco Terra, Happsy.
GOLS (Global Organic Latex Standard)
What it covers: Latex foam used in mattress construction.
What it requires: GOLS-certified latex must contain a minimum of 95% certified organic natural rubber latex by polymer weight. No synthetic latex or fillers exceeding 5% are allowed. The standard also sets limits on harmful substances and requires supply chain traceability.
Why it matters: This certification ensures that latex labeled "organic" actually contains organic rubber, not synthetic alternatives. For shoppers specifically seeking natural latex mattresses, GOLS certification provides meaningful assurance about material authenticity.
Brands that carry it: Avocado, Birch, PlushBeds, Naturepedic, Happsy, My Green Mattress, Eco Terra.
OEKO-TEX Standard 100
What it covers: Every component of the product (fabrics, threads, foam, zippers, and accessories).
What it tests for: The certification screens for over 1,000 regulated and unregulated harmful substances, including pesticides, phthalates, heavy metals, formaldehyde, chlorinated phenols, and allergenic dyes. Testing thresholds are set based on the intended use of the product, with the strictest limits applied to products used by babies and young children.
Why it matters: OEKO-TEX is one of the most comprehensive substance-screening certifications. Because it tests every individual component rather than just the finished product, it catches potential issues that other certifications might miss.
Brands that carry it: Avocado, Birch, PlushBeds, DreamCloud, and several others.
MADE SAFE
What it covers: The complete finished product.
What it screens for: Products are screened against a database of known toxins, including carcinogens, endocrine disruptors, behavioral toxins, reproductive toxins, neurotoxins, and substances harmful to the environment.
Why it matters: MADE SAFE takes a broader approach than most certifications by screening for substances that affect human health and the environment. The organization also considers the environmental impact of ingredients throughout their lifecycle.
Brands that carry it: Avocado, Naturepedic.
How to Use Certifications in Your Decision
For most shoppers buying conventional foam or hybrid mattresses, CertiPUR-US certification is sufficient to ensure basic material safety. If you have heightened sensitivity to chemicals or want the assurance of whole-product emissions testing, look for GREENGUARD Gold certified mattresses.
For shoppers specifically seeking organic or natural mattresses, GOTS and GOLS certifications are the most meaningful indicators that materials meet genuine organic standards. Brands carrying both GOTS and GOLS certifications along with GREENGUARD Gold represent the highest tier of certified organic mattress production.