Certification guides
What GOTS, OEKO-TEX, OCS, Fairtrade, and bluesign actually verify on clothing — and what they don't.
What Is GOTS Certification?
GOTS certification means clothing made from organic fibre, processed cleanly and fairly, and independently checked across the entire supply chain.
Published Jun 16, 2026
bluesign Certified Clothing: What the Label Verifies
What bluesign certified clothing means: an input-stream chemistry standard where dyes and finishes are pre-vetted and tracked end-to-end, not tested after.
Updated Jul 17, 2026
Fairtrade Certified Clothing: What the Label Verifies
What Fairtrade certified clothing means: guaranteed producer prices, working conditions, and a community premium for cotton growers. What it doesn't cover.
Updated Jul 17, 2026
GOTS — Made with Organic Materials
The lower of the two GOTS grades. At least 70% certified-organic fiber, with the same processing chemistry and labour audit as the higher grade.
Published Apr 25, 2026
OCS — Organic Content Standard
OCS verifies the percentage of certified-organic fiber in a finished textile through chain-of-custody documentation.
Published Apr 25, 2026
OEKO-TEX Certified Clothing: What Standard 100 Verifies
What OEKO-TEX certified clothing means: Standard 100 tests the finished fabric for harmful substances. What it verifies, what it doesn't, how to check.
Updated Jul 17, 2026