KRILLOINDEX
The index › the United States › Sustainable clothing › Buying question

Where should I go online to buy eco-friendly everyday outfits in the US?

We asked ChatGPT and Gemini this exact question in October 2026, as a shopper in the United States would. These are the stores they named, most named first.

Not on this list? See which questions you lose.

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The stores AI named

  1. ThredUp
  2. Pact
  3. Quince
  4. MATE the Label
  5. Organic Basics
  6. Outerknown
  7. Patagonia
  8. Worn Wear
  9. Eileen Fisher
  10. Eileen Fisher Renew
  11. Reformation
  12. Fair Indigo
  13. Known Supply
  14. Girlfriend Collective
  15. For Days

From our monthly measurement for sustainable clothing in the United States. Marketplaces and platforms are left out. AI answers change; this is a snapshot, not an endorsement. How we measure.

See the full ranking for sustainable clothing ›

Other questions shoppers ask

Is AI sending these shoppers to someone else?

See the buying questions where AI names another store instead of yours, and what to change. Free, no account.

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