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Global Organic Textile Standard logo
Global Organic Textile Standard
Global · Tier 2 Trusted
JAS Organic logo
JAS Organic
Japan · Tier 1 Gold
Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
What it meansThe strictest, most widely-recognised standard for organic textiles. Covers the full supply chain from organic fibre to finished garment, with environmental AND social criteria.Japan's national organic standard under the Japanese Agricultural Standard system. The mark must appear on any food sold as 'organic' (有機 or オーガニック) in Japan.Vottunarstofan Tún is Iceland's only accredited organic certifier. Accredited by MAST (Matvælastofnun) under the EU 2018/848-equivalent Icelandic standard, so a Tún-certified product is also recognised as EU-organic.
ScopeTextilesFoodFood
Established200220011994
InspectionAnnual on-site, IOAS-accreditedAnnual on-site by MAFF-registered certifierAnnual on-site, MAST-accredited
Residue testingRequired for finished productsRequired for high-risk operationsRequired for at-risk operations
Guarantees
  • ≥70% certified-organic natural fibre (the 'organic' grade requires ≥95%).
  • Restricted dyes, no chlorine bleach, no formaldehyde, no banned heavy metals.
  • Wastewater treatment requirements.
  • Social standards based on ILO core conventions (no child labour, no forced labour, fair wages, safe workplace).
  • Annual on-site inspection by IOAS-accredited certifier.
  • ≥95% organic ingredients.
  • No synthetic pesticides, no synthetic fertilizers, no GMOs.
  • Annual inspection by a MAFF-registered certifier.
  • ≥95% organic ingredients per EU rules.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection.
  • Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).
Does NOT
  • Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.
  • Mutual recognition with the US, EU, and Canada applies to specific product categories — check each agreement before importing.
  • There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.

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