Certification guides
What GOTS, OEKO-TEX, OCS, Fairtrade, and bluesign actually verify on clothing, and what they don't.
What Is GOTS Certification?
GOTS requires at least 95% organic fibre for its Organic grade and 70% for made with organic, bans the harshest chemicals, and applies ILO labour rules.
Updated Aug 19, 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 Aug 19, 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 Aug 19, 2026
GOTS: Made with Organic Materials
The lower GOTS grade: at least 70% certified-organic fiber, with the same chemistry and labour audit as the 95% grade. Exists for stretch and abrasion.
Updated Aug 19, 2026
OCS: Organic Content Standard
OCS 100 means 95% or more certified-organic fiber, OCS Blended at least 5%. Textile Exchange oversees the chain of custody; dyes and labour are excluded.
Updated Aug 19, 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 Aug 19, 2026