14 October 2026International edition
Vol. I · No.
14 October 2026
AI in Fashion
DAILY
The daily briefing on AI in the fashion business
Where fashion meets artificial intelligence.
Lingerie, swimwear and hosiery

Underprotection

Denmark

Underprotection is a Copenhagen-based sustainable lingerie brand founded in 2010. It makes lingerie, loungewear and swimwear from recycled and organic materials.

Facts
Founded2010
Co-founderStephan Rosenkilde
HeadquartersCopenhagen, Denmark
MaterialsRecycled polyester, recycled wool, lyocell, organic cotton
Websiteunderprotection.dk
Segment
Mid-market
Categories
LingerieSwimwearWomenswear
Sales channels
E-commerceWholesale

What is Underprotection?

Underprotection is a Danish brand of sustainable lingerie, loungewear and swimwear, based in Copenhagen. Its designs are colourful and timeless, built around lower-impact materials.

History

The company was founded in 2010, with Stephan Rosenkilde as co-founder and CEO. It started with lingerie and later added loungewear and swimwear.

Products and positioning

  • Lingerie and bras
  • Loungewear
  • Swimwear made from recycled PET bottles collected from the ocean

Underprotection uses recycled polyester, recycled wool, lyocell and organic cotton. Most products are vegan, apart from those using recycled wool or similar waste fibres, and packaging, paper and polybags are recycled or biodegradable. The brand works with certified factories that offer fair working conditions and pay.

Distribution

Collections are sold online through the brand's own store and in retail shops in many countries, including sustainability-focused online retailers.

Why it matters

As one of the earlier Scandinavian labels to build lingerie entirely around recycled and organic fibres, Underprotection is a reference point for sustainable intimates.

Frequently asked questions

Where is Underprotection from?

Underprotection is a Danish brand based in Copenhagen.

Is Underprotection sustainable?

The brand uses recycled polyester, recycled wool, lyocell and organic cotton, and its swimwear is made from recycled PET bottles.

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