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 485

  1. Matilda Underwire Plunge BraMatilda Underwire Plunge Bra
    Elomi el8900

    Matilda Underwire Plunge Bra

    Rating:
    92%
    $44.95 - $72.00
  2. Madison Full Cup BraMadison Full Cup Bra
    Prima Donna 016-2120

    Madison Full Cup Bra

    Rating:
    91%
    $114.95 - $146.00
  3. Full-Busted Underwire Sports BraFull-Busted Underwire Sports Bra
    Panache 5021

    Full-Busted Underwire Sports Bra

    Rating:
    60%
    $44.95 - $75.00
  4. Deauville Full Cup BraDeauville Full Cup Bra
    Prima Donna 016-1810

    Deauville Full Cup Bra

    Rating:
    96%
    $109.95 - $159.00
  5. Cate Underwire Full Cup Banded BraCate Underwire Full Cup Banded Bra
    Elomi el4030

    Cate Underwire Full Cup Banded Bra

    Rating:
    93%
    $34.95 - $65.00
  6. 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
  7. Envy Balconnet BraEnvy Balconnet Bra
    Panache 7285

    Envy Balconnet Bra

    Rating:
    93%
    $52.95 - $71.00
  8. Cassiopee Seamless Spacer Foam Underwire BraCassiopee Seamless Spacer Foam Underwire Bra
    Empreinte 40151

    Cassiopee Seamless Spacer Foam Underwire Bra

    Rating:
    93%
    $149.95 - $225.00
  9. Melody Underwired Seamless BraMelody Underwired Seamless Bra
    Empreinte 0786

    Melody Underwired Seamless Bra

    Rating:
    94%
    $154.95 - $212.00
  10. C Magnifique Molded Minimizer Underwire BraC Magnifique Molded Minimizer Underwire Bra
    Chantelle 1891

    C Magnifique Molded Minimizer Underwire Bra

    Rating:
    90%
    $59.95 - $84.00
  11. Serena Lace Multi-Part Underwire BraSerena Lace Multi-Part Underwire Bra
    Fit Fully Yours b2761

    Serena Lace Multi-Part Underwire Bra

    $34.99 - $77.00
  12. Ana Non-Padded Plunge Underwire BraAna Non-Padded Plunge Underwire Bra
    Panache 9396a

    Ana Non-Padded Plunge Underwire Bra

    Rating:
    90%
    $52.95 - $71.00
  13. Wonderwire Front Closure BraWonderwire Front Closure Bra
    Glamorise 1245

    Wonderwire Front Closure Bra

    Rating:
    90%
    $59.00 $44.25
  14. Satin Seamless Underwire BraSatin Seamless Underwire Bra
    Prima Donna 016-1330

    Satin Seamless Underwire Bra

    Rating:
    89%
    $89.00
  15. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765

    Allure Full Cup Underwire Bra

    Rating:
    100%
    $56.95 - $71.00
  16. Idol Underwire T-Shirt BraIdol Underwire T-Shirt Bra
    Freya aa1050

    Idol Underwire T-Shirt Bra

    Rating:
    89%
    $50.95 - $70.00
  17. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812

    Elise Molded Convertible Bra

    Rating:
    91%
    $51.95 - $90.00
  18. The Ultimate Full Figure Soft Cup Sports BraThe Ultimate Full Figure Soft Cup Sports Bra
    Glamorise 1006

    The Ultimate Full Figure Soft Cup Sports Bra

    Rating:
    77%
    $57.00 $42.75
  19. Fusion Underwire Full Cup Side Support BraFusion Underwire Full Cup Side Support Bra
    Fantasie fl3091

    Fusion Underwire Full Cup Side Support Bra

    Rating:
    83%
    $37.95 - $66.00
  20. Carmen Polka Dot Lace Multi-Part BraCarmen Polka Dot Lace Multi-Part Bra
    Fit Fully Yours b2498

    Carmen Polka Dot Lace Multi-Part Bra

    Rating:
    86%
    $79.00
  21. Active Maximum Support Wire Free Sports BraActive Maximum Support Wire Free Sports Bra
    Anita 5527

    Active Maximum Support Wire Free Sports Bra

    Rating:
    89%
    $58.95 - $79.00
  22. Floral Soft Cup BraFloral Soft Cup Bra
    Aviana 2353

    Floral Soft Cup Bra

    Rating:
    81%
    $56.00 $50.40
  23. Norah Comfort Underwire BraNorah Comfort Underwire Bra
    New Color
    Chantelle 13f1

    Norah Comfort Underwire Bra

    Rating:
    93%
    $59.95 - $82.00
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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.