34F Bras Lingerie, and Swimwear | 34F Bra Size

F Bra Cup Size (Your UCS is either a D3 or a D4 )

Your F cup size can be a little tricky.  If you are an F cup size in EU brands like Chantelle, Empreiente, Prima Donna, Anita, Simone Perele, and others, you are also a DDD cup size in US brands like  Wacoal, Bali, Natori, and Vanity Fair, and an E cup in UK brands like Elomi, Freya, and Panache.

And... if you're an F cup size in UK brands, you are also a G cup size in both US brands (formerly the DDDD cup size)  and EU brands. 

At HerRoom, it's easy to combine all your cup sizes into one simple search by using our exclusive Universal Cup Sizing (UCS).

Search 34D3 and see everything that comes in your F, DDD, and E cup sizes.

Search 34D4 and see everything that comes in your F, DDDD, and G cup sizes.

Items 1-24 of 52

  1. Full-Busted Underwire Sports BraFull-Busted Underwire Sports Bra
    Panache 5021
    Full-Busted Underwire Sports Bra
    Rating:
    90%
    $44.95 - $79.00
  2. Cassiopee Seamless Embroidery Full Cup BraCassiopee Seamless Embroidery Full Cup Bra
    Empreinte 07151
    Cassiopee Seamless Embroidery Full Cup Bra
    Rating:
    96%
    $164.95 - $225.00
  3. Envy Balconnet BraEnvy Balconnet Bra
    Panache 7285
    Envy Balconnet Bra
    Rating:
    93%
    $52.95 - $72.00
  4. Melody Underwired Seamless BraMelody Underwired Seamless Bra
    Empreinte 0786
    Melody Underwired Seamless Bra
    Rating:
    94%
    $154.95 - $212.00
  5. Cassiopee Seamless Spacer Foam Underwire BraCassiopee Seamless Spacer Foam Underwire Bra
    Empreinte 40151
    Cassiopee Seamless Spacer Foam Underwire Bra
    Rating:
    93%
    $164.95 - $225.00
  6. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765
    Allure Full Cup Underwire Bra
    Rating:
    90%
    $56.95 - $74.00
  7. Ana Non-Padded Plunge Underwire BraAna Non-Padded Plunge Underwire Bra
    Panache 9396a
    Ana Non-Padded Plunge Underwire Bra
    Rating:
    91%
    $52.95 - $68.00
  8. Tom Fiberfill Convertible Underwire BraTom Fiberfill Convertible Underwire Bra
    Marie Jo 012-0826
    Tom Fiberfill Convertible Underwire Bra
    Rating:
    95%
    $69.95 - $120.00
  9. SuperBra Tango II Underwire Balconnet BraSuperBra Tango II Underwire Balconnet Bra
    Panache 3251
    SuperBra Tango II Underwire Balconnet Bra
    Rating:
    83%
    $48.95 - $64.00
  10. Clara Full Cup BraClara Full Cup Bra
    Panache 7255
    Clara Full Cup Bra
    Rating:
    88%
    $52.95 - $74.00
  11. Ultra Perform Non Padded Sports BraUltra Perform Non Padded Sports Bra
    Panache 5022
    Ultra Perform Non Padded Sports Bra
    Rating:
    70%
    $59.95 - $79.00
  12. 365 T-Shirt Bra365 T-Shirt Bra
    Panache 10905
    365 T-Shirt Bra
    $76.00
  13. Verity Spacer Foam Cup Underwire BraVerity Spacer Foam Cup Underwire Bra
    Empreinte 40173
    Verity Spacer Foam Cup Underwire Bra
    Rating:
    88%
    $184.00
  14. Initiale Spacer Foam Underwire Sports BraInitiale Spacer Foam Underwire Sports Bra
    Empreinte 07200
    Initiale Spacer Foam Underwire Sports Bra
    Rating:
    87%
    $149.95 - $204.00
  15. Tom Balconette BraTom Balconette Bra
    Marie Jo 012-0829
    Tom Balconette Bra
    Rating:
    94%
    $69.95 - $120.00
  16. Thalia Underwired Low-Neck BraThalia Underwired Low-Neck Bra
    Empreinte 1856
    Thalia Underwired Low-Neck Bra
    Rating:
    95%
    $163.95 - $220.50
  17. Jane Contour Balconette BraJane Contour Balconette Bra
    Marie Jo 010-1339
    Jane Contour Balconette Bra
    Rating:
    97%
    $79.95 - $150.00
  18. Serene Full Cup Underwire BraSerene Full Cup Underwire Bra
    Panache 10305
    Serene Full Cup Underwire Bra
    Rating:
    100%
    $59.95 - $68.00
  19. Avero Contour Plunge BraAvero Contour Plunge Bra
    Marie Jo 010-0418
    Avero Contour Plunge Bra
    Rating:
    94%
    $155.00
  20. Romy Underwired Low-Necked BraRomy Underwired Low-Necked Bra
    Empreinte 08212
    Romy Underwired Low-Necked Bra
    Rating:
    100%
    $132.95 - $178.00
  21. Louise Lace Underwire Low Neck BraLouise Lace Underwire Low Neck Bra
    Empreinte 08184
    Louise Lace Underwire Low Neck Bra
    Rating:
    100%
    $164.95 - $216.50
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If you’re looking for the best bras for women, then you’ve come to the right place. We offer a wide assortment of styles, brands, and sizes at HerRoom. Whether you’re an A or a P cup, you’re sure to find the perfect bra.