A t-shirt sold as "organic cotton" can mean five different things depending on who labeled it. The word "organic" is regulated at the farm level in most markets — a cotton farmer in Gujarat is legally organic if they meet India's organic-farming rules — but nothing about that regulation carries through the spinning, weaving, dyeing, and stitching that turns cotton fiber into a t-shirt.
GOTS — the Global Organic Textile Standard — is the certification that closes that gap. This article explains the difference and what it actually means for a brand making a claim.
What "organic cotton" guarantees on its own
Organic-cotton fiber (at the farm level) means:
- No synthetic pesticides or fertilizers used in growing the crop
- No GMO seeds
- Soil and biodiversity management rules applied
- A third-party inspection of the farm (USDA Organic, India NPOP, EU Organic, etc.)
That's it. That's where the paper trail typically ends. The cotton might then travel through a dozen intermediaries — gin, spinner, knitter, dyer, finisher, cut-and-sew factory, printer, packer — and at each stage there's no requirement it stay physically separated from conventional cotton, no restriction on processing chemistry, no audit of working conditions.
A lot of "organic cotton" garments on the market are made with real organic fiber and then processed in ways that would horrify the farmer who grew it.
What GOTS adds
GOTS is both a material standard and a processing standard. A GOTS-certified garment guarantees:
- ≥95% organic fiber (the "organic" GOTS grade) or ≥70% organic fiber ("made with organic" grade)
- Chain of custody — the fiber is physically tracked from farm to finished garment with separate storage, labeling, and batch records at every stage
- Restricted processing chemistry — no chlorine bleach, formaldehyde, aromatic solvents, GMOs, nanoparticles, or a long list of restricted substances. Dyes must meet specific toxicity and biodegradability thresholds.
- Wastewater treatment at dye houses
- Social criteria — an ILO-aligned labor standard covering no forced/child labor, decent wages, reasonable hours, health & safety, freedom of association
- Annual on-site audit at every facility in the chain
Concretely: a GOTS-labeled t-shirt is one where you can follow a paper trail from a specific organic cotton farm, through a specific ginner, spinner, knitter, dyer, and cut-and-sew factory — all of whom are certified, audited yearly, and physically segregated the material at every step.
How to read a claim
A few tells:
- "Organic cotton" with no certification → means the brand bought organic fiber but made no claim about processing. Legal, but weak.
- "Made with organic cotton" (GOTS) → 70-95% organic fiber in blend, full GOTS chain of custody
- "Organic" (GOTS) → ≥95% organic fiber with full chain of custody
- "OCS 100" or "OCS Blended" — Organic Content Standard, covers chain of custody for the fiber only (not processing chemistry or social compliance). Useful for material traceability, weaker than GOTS overall.
A real GOTS label has a certifier's name and a license number. If a brand can't produce the certificate on request, the label is probably decorative.
When GOTS is worth it
For brands making explicit organic claims on their hang-tag, the cost of being audited (typically a few thousand dollars per audit cycle, passed through to the buyer via per-unit pricing) is usually worth it. For brands just preferring organic fiber without making an explicit certified claim, Organic Content Standard (OCS) may be enough.
The short answer most mid-size apparel brands land on: use GOTS when the label says "organic". If you're not labeling it, don't pay for the certification.
What to ask your factory
- Are you a GOTS-certified facility? What's your license number and certifier?
- If you run my order on GOTS-certified fiber, will the finished garments be GOTS-labelable?
- If not (i.e. you handle the fiber but aren't certified for the processing stages), can you route to a GOTS sub-contractor for the stages you don't handle?
The answers determine whether the word "organic" can legitimately appear on your finished product.
Frequently asked questions about organic cotton and GOTS
Can I say "organic cotton" on my hang-tag without GOTS?
In most markets yes — "organic cotton" at the fiber level is regulated by the farm-level certification (USDA, India NPOP, EU Organic). What you can't do without GOTS is make processing claims ("organic dyes," "chemical-free manufacturing") or guarantee chain of custody from farm to finished garment. Some retailers (Whole Foods, MEC, many EU sustainability-focused stores) require GOTS specifically.
How much more does GOTS add to per-piece cost?
Typically 3-8% over non-GOTS equivalent production at the same factory, reflecting the factory's $2,000-6,000 annual audit fee amortized across their GOTS output. The fiber itself costs 20-40% more than conventional cotton. Factor both into your landed-cost math.
How do I verify a factory's GOTS license?
Global Standard gGmbH maintains a public registry at global-standard.org. Every GOTS-certified facility has a license number you can look up to see expiry date, scope (spinning, weaving, dyeing, cut-and-sew, printing, etc.), and certifier. If a factory can't produce a license number that validates in the public registry, the claim is decorative.
Can I blend GOTS cotton with non-GOTS materials?
Yes, but only at the "made with organic" grade (70-94% organic fiber), not the "organic" grade (≥95%). The non-organic portion must be from the GOTS-approved list of allowed materials (which excludes virgin polyester, for example). Common acceptable blends: organic cotton + Tencel, organic cotton + recycled polyester (GRS-certified).
Related reading
- GOTS Certification Explained for Fashion Brands — deeper on cost, audits, and how to verify a factory's GOTS claim.
- SA8000 vs Fair Trade vs BSCI: Which Social Audit Matters — GOTS covers processing; these cover workers. Most brands need both.
- Tencel vs Modal vs Viscose: A Sustainability Comparison — if your fiber isn't cotton, the same certification logic applies differently.
Found this useful?
Share it with your network

