Shop the brand new reversible tank:

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Mix & Match 5+ organic cotton undies & save on each pair!

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Join the Tizz Undie Club!

Sign up to be in the know with all things undies. What awaits you:

  • ✨ 10% off your first order
  • 💌 Max. 1-2 emails per month with exclusive community perks & first access to sales & new drops
  • 👀 A peek behind the seams, sustainable closet tips & more

Sign up now for all the VIP perks!

🌈TIZZ & TONIC x LOCKO POP UP ALERT☀️

Join us May 8–10 for our HAPPYLICIOUS POP UP at LOCKO Design-Kiosk where we'll packing the space with fresh styles, your favourite undies, boxers, socks, accessories & more!
Load up on good vibes & feel-good pieces to kick off Summer. 🍒

MORE INFO

  • exclusively made in Europe

  • designed from natural plant-based & recycled fabrics

  • sustainable basics that are actually fun to wear

  • sizes from XS-2XL

  • small, thoughtful collections that reduce over-production & waste

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Good undies = good vibes.

At Tizz & Tonic, we know your underwear sets the tone for your day. Our sustainable basics are soft, breathable, and designed for many bodies, making every day feel great and vibe right.
It’s not just underwear, it’s a lifestyle.
Why not wear the good stuff?

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The Blog

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  • European Production

    Tizz & Tonic underthings are ethically produced in Bremen, Berlin & in Northern Portugal. We design small collections to minimize waste & avoid over-production.

  • Future-Forward Sustainable Fabrics

    Our intimates are designed using only high-quality plant-based textiles like certified organic cotton, recycled organic cotton & micromodal blended with TENCEL™ & ROICA™ V550.

  • Eco-Packaging

    We ship your undies in compostable (made from corn) and recycled mailers. Other minimally used packaging is made from grass or recycled paper.

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