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UnderU has long been established as THE place to go online for premium branded men's underwear, swimwear, clothing, socks & accessories. We are pretty old in terms of online retail, having started out in 1999, but still feel young at heart!

  • 50+ leading men's designer brands
  • Leading brands like Emporio Armani, Calvin Klein, Polo Ralph Lauren, Dolce & Gabbana, Diesel, Hugo Boss, Ted Baker, Tommy Hilfiger, and many more
  • Trading online since 1999
  • Trusted by 100,000+ customers
  • 20,000+ products, across 1,250+ product lines


Men's Designer Underwear and Men's Swimwear Brands
We are very proud to be selected by so many top brands to be allowed to sell their collections online. Our aim is to bring the very best designer Underwear, Swimwear, Socks, Clothing & Accessories brands to our customers. We have been adding a number of new brands recently, including Gant, Hanro, Tommy Hilfiger, Wolsey, Calvin Klein, Diesel, Ted Baker, Emporio Armani, Hom, Hugo Boss and many more. But we are always on the look-out for new great brands, so do let us know if there is another top brand that should be sitting on the UnderU.com website.
Men's Underwear & Men's Swimwear History at UnderU

We started life as a little online retailer way back in 1999, back at a time when Britney Spears and Billy Ray Circus were dominating the UK charts!! We have enjoyed 14 years serving more than 100,000 customers over this time. We have recently re-doubled our focus on offering customers the best brands at the very best prices, and are busy adding more brands and building out our offering.