The String Nix Edit — GOTS Certified underwear

Woman reclining in a cream sweater and white string thong.

The Most Comfortable String Thong You’ll Ever Wear

A comfort first guide to finding the most comfortable thong underwear, with soft organic cotton, a barely there feel, no VPL fit, and everyday wearability.

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String thongs in neutral shades arranged beside a fashion magazine.

A Guide to Sustainable Underwear

From organic cotton and certifications to thoughtful design and everyday wearability, this guide explains what sustainable underwear really means and what is worth looking for.

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Model wearing a String Nix organic cotton string thong in Almond, showing a smooth no VPL fit in a warm neutral interior.

Best Organic Cotton String Thong Underwear in the UK

A guide to finding the best organic cotton string thong underwear in the UK, with GOTS Certified organic cotton, no VPL comfort, skin tone inspired shades and everyday fit.

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