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.

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  1. Madison Full Cup BraMadison Full Cup Bra
    Prima Donna 016-2120
    Madison Full Cup Bra
    Rating:
    91%
    $114.95 - $150.00
  2. Full-Busted Underwire Sports BraFull-Busted Underwire Sports Bra
    Panache 5021
    Full-Busted Underwire Sports Bra
    Rating:
    90%
    $44.95 - $79.00
  3. Deauville Full Cup BraDeauville Full Cup Bra
    Prima Donna 016-1810
    Deauville Full Cup Bra
    Rating:
    96%
    $109.95 - $165.00
  4. 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
  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. Envy Balconnet BraEnvy Balconnet Bra
    Panache 7285
    Envy Balconnet Bra
    Rating:
    93%
    $52.95 - $72.00
  7. 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
  8. Melody Underwired Seamless BraMelody Underwired Seamless Bra
    Empreinte 0786
    Melody Underwired Seamless Bra
    Rating:
    94%
    $154.95 - $212.00
  9. 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
  10. Serena Lace Multi-Part Underwire BraSerena Lace Multi-Part Underwire Bra
    Fit Fully Yours b2761
    Serena Lace Multi-Part Underwire Bra
    Rating:
    60%
    $34.99 - $77.00
  11. Satin Seamless Underwire BraSatin Seamless Underwire Bra
    Prima Donna 016-1330
    Satin Seamless Underwire Bra
    Rating:
    89%
    $89.00
  12. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765
    Allure Full Cup Underwire Bra
    Rating:
    90%
    $56.95 - $74.00
  13. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812
    Elise Molded Convertible Bra
    Rating:
    91%
    $51.95 - $90.00
  14. 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
  15. Wonderwire Front Closure BraWonderwire Front Closure Bra
    Glamorise 1245
    Wonderwire Front Closure Bra
    Rating:
    89%
    $59.00 $44.25
  16. Tom Fiberfill Convertible Underwire BraTom Fiberfill Convertible Underwire Bra
    Marie Jo 012-0826
    Tom Fiberfill Convertible Underwire Bra
    Rating:
    95%
    $69.95 - $120.00
  17. Idol Underwire T-Shirt BraIdol Underwire T-Shirt Bra
    Freya aa1050
    Idol Underwire T-Shirt Bra
    Rating:
    89%
    $50.95 - $70.00
  18. 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
  19. 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
  20. Norah Comfort Underwire BraNorah Comfort Underwire Bra
    Chantelle 13f1
    Norah Comfort Underwire Bra
    Rating:
    93%
    $59.95 - $82.00
  21. Floral Soft Cup BraFloral Soft Cup Bra
    Aviana 2353
    Floral Soft Cup Bra
    Rating:
    81%
    $56.00 $50.40
  22. No Bounce Cami Sports BraNo Bounce Cami Sports Bra
    Glamorise 1066
    No Bounce Cami Sports Bra
    Rating:
    86%
    $47.00 $29.95
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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.