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. 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. Deauville Full Cup BraDeauville Full Cup Bra
    Prima Donna 016-1810

    Deauville Full Cup Bra

    Rating:
    96%
    $109.95 - $159.00
  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. 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
  6. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812

    Elise Molded Convertible Bra

    Rating:
    91%
    $51.95 - $90.00
  7. 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
  8. Orlando Full Cup BraOrlando Full Cup Bra
    Prima Donna 016-3150

    Orlando Full Cup Bra

    Rating:
    100%
    $124.95 - $159.00
  9. SuperBra Tango II Underwire Balconnet BraSuperBra Tango II Underwire Balconnet Bra
    Panache 3251

    SuperBra Tango II Underwire Balconnet Bra

    Rating:
    83%
    $48.95 - $66.00
  10. Nicole Sheer Lace BraNicole Sheer Lace Bra
    Fit Fully Yours b2271

    Nicole Sheer Lace Bra

    Rating:
    90%
    $49.95 - $77.00
  11. Madison Contour Heart Shaped BraMadison Contour Heart Shaped Bra
    Prima Donna 026-2120

    Madison Contour Heart Shaped Bra

    Rating:
    93%
    $114.95 - $146.00
  12. Victory Side Support Multi Part Cup BraVictory Side Support Multi Part Cup Bra
    Curvy Kate ck9001

    Victory Side Support Multi Part Cup Bra

    Rating:
    81%
    $39.95 - $66.00
  13. Dream Tisha Full Busted BraDream Tisha Full Busted Bra
    Le Mystere 9955

    Dream Tisha Full Busted Bra

    Rating:
    80%
    $69.00 $48.30
  14. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212

    Zora Molded Underwire Bra

    Rating:
    85%
    $80.00
  15. Plus Size Underwire Sports BraPlus Size Underwire Sports Bra
    Sculptresse by Panache 9441

    Plus Size Underwire Sports Bra

    Rating:
    91%
    $48.95 - $86.00
  16. Thalia Underwired Low-Neck BraThalia Underwired Low-Neck Bra
    Empreinte 1856

    Thalia Underwired Low-Neck Bra

    Rating:
    95%
    $163.95 - $220.50
  17. Estel Full Cup BraEstel Full Cup Bra
    Sculptresse by Panache 9685

    Estel Full Cup Bra

    Rating:
    74%
    $60.95 - $82.00
  18. Bliss Full Cup Underwire BraBliss Full Cup Underwire Bra
    New Color
    Sculptresse by Panache 10685

    Bliss Full Cup Underwire Bra

    $76.00
  19. Underwire High Impact Sports BraUnderwire High Impact Sports Bra
    Glamorise 9066

    Underwire High Impact Sports Bra

    Rating:
    86%
    $69.00 $39.95 - $51.75
  20. Front Close Lace Wonderwire BraFront Close Lace Wonderwire Bra
    Glamorise 9246

    Front Close Lace Wonderwire Bra

    Rating:
    97%
    $59.00 $44.25
  21. Lace Daze Underwire Balcony BraLace Daze Underwire Balcony Bra
    Curvy Kate ck4410

    Lace Daze Underwire Balcony Bra

    Rating:
    100%
    $44.95 - $69.00
  22. Revele Moi Underwire BraRevele Moi Underwire Bra
    Chantelle 1571

    Revele Moi Underwire Bra

    Rating:
    95%
    $88.00
  23. Dana Strapless BraDana Strapless Bra
    Sculptresse by Panache 9670

    Dana Strapless Bra

    Rating:
    98%
    $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.