Wellness
What Is GOTS Certified Cotton? Organic Textile Guide
GOTS certified cotton explained — what the Global Organic Textile Standard checks, why it matters for activewear, and how it differs from a generic organic label.
GOTS stands for the Global Organic Textile Standard. It is an independent certification for organic fibers, mostly cotton, that covers the whole supply chain: how the crop is grown, how the fiber is processed, and what chemicals can (and cannot) touch the fabric before it reaches you.
When a garment label says GOTS-certified organic cotton, it means more than marketing language. A third party has verified that the cotton meets strict organic and environmental rules from field to factory.
What GOTS actually checks
At the farm level, GOTS requires organic growing practices: no synthetic pesticides or GMO seed. It tracks the cotton from harvest through spinning, weaving, dyeing, and finishing.
In processing, GOTS limits the substances allowed in dyes, bleaches, and finishes. That matters for workout clothes: you sweat, your pores open, and whatever is in the fabric sits against your skin.
GOTS also sets social criteria for the facilities involved: fair working conditions and no forced or child labor. For a brand talking about non-toxic activewear, that holistic standard is part of why the label carries weight.
GOTS vs. "organic cotton" on a label
Any brand can write "organic cotton" on a hang tag. GOTS is different. It is audited and traceable. Look for the GOTS logo on packaging or product pages, or ask the brand for their certification scope (some products are certified; others are not).
GOTS pairs well with other standards you may see on activewear, like OEKO-TEX for tested harmful substances. They answer different questions: GOTS focuses on organic integrity across the supply chain; OEKO-TEX focuses on chemical safety in the finished textile.
Why it matters for workout clothes
Activewear sits on your skin during the hour you are hottest and sweatiest. Polyester is petroleum-based plastic; organic cotton is a plant fiber that breathes and breaks down naturally over time.
Stanford Medicine recommends wearing clothes made of natural fibers as one step to reduce microplastic exposure. Choosing GOTS-certified cotton is one of the clearest ways to know the fiber was grown and processed under stricter rules than conventional cotton, without guessing from vague "natural" or "eco" claims.
How Florence Active fits in
Our butter gingham set is made from 96% GOTS-certified organic cotton with 4% elastane for stretch: a matching tank, capri, and headband designed to move with you and look good enough to wear outside the gym.
We publish fit models, a size chart, and fabric details on every product page so you can see what you are buying before it arrives. If you are comparing organic activewear, GOTS is one of the labels worth asking about.
Sources
- Stanford Medicine — Microplastics and our health: What the science says (2025)
- Aya Eco Fashion — Polyester: From Petroleum to Microplastics (2022)