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. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765

    Allure Full Cup Underwire Bra

    Rating:
    100%
    $56.95 - $71.00
  2. Norah Comfort Underwire BraNorah Comfort Underwire Bra
    New Color
    Chantelle 13f1

    Norah Comfort Underwire Bra

    Rating:
    93%
    $59.95 - $82.00
  3. Orlando Full Cup BraOrlando Full Cup Bra
    Prima Donna 016-3150

    Orlando Full Cup Bra

    Rating:
    100%
    $124.95 - $159.00
  4. Thalia Underwired Low-Neck BraThalia Underwired Low-Neck Bra
    Empreinte 1856

    Thalia Underwired Low-Neck Bra

    Rating:
    95%
    $163.95 - $220.50
  5. Reflect Underwire Side Support BraReflect Underwire Side Support Bra
    Fantasie fl1801

    Reflect Underwire Side Support Bra

    Rating:
    100%
    $49.95 - $68.00
  6. Serene Full Cup Underwire BraSerene Full Cup Underwire Bra
    Panache 10305

    Serene Full Cup Underwire Bra

    Rating:
    100%
    $59.95 - $74.00
  7. Envisage Underwire Full Cup Bra With Side SupportEnvisage Underwire Full Cup Bra With Side Support
    Fantasie fl6911

    Envisage Underwire Full Cup Bra With Side Support

    Rating:
    96%
    $34.95 - $66.00
  8. Lace Comfort Wonderwire BraLace Comfort Wonderwire Bra
    Glamorise 9855

    Lace Comfort Wonderwire Bra

    Rating:
    50%
    $57.00 $42.75
  9. Non Wired Sports BraNon Wired Sports Bra
    Panache 7341b

    Non Wired Sports Bra

    Rating:
    100%
    $54.95 - $71.00
  10. Comfort Chic Full Coverage Underwire BraComfort Chic Full Coverage Underwire Bra
    Chantelle 18j2

    Comfort Chic Full Coverage Underwire Bra

    Rating:
    100%
    $64.95 - $82.00
  11. Montara Full Cup Underwire BraMontara Full Cup Underwire Bra
    Prima Donna 016-3380

    Montara Full Cup Underwire Bra

    Rating:
    60%
    $99.00
  12. C Jolie Memory Foam Underwire BraC Jolie Memory Foam Underwire Bra
    Chantelle 13b6

    C Jolie Memory Foam Underwire Bra

    Rating:
    70%
    $59.95 - $82.00
  13. Josephine Full Cup BraJosephine Full Cup Bra
    Sculptresse by Panache 10855

    Josephine Full Cup Bra

    $64.95 - $83.00
  14. Comete Moulded Underwire BraComete Moulded Underwire Bra
    Simone Perele 12s324

    Comete Moulded Underwire Bra

    $94.95 - $120.00
  15. The Game Underwire Sports BraThe Game Underwire Sports Bra
    Prima Donna 6000510

    The Game Underwire Sports Bra

    Rating:
    100%
    $149.00
  16. Norah Chic Unlined BraNorah Chic Unlined Bra
    Chantelle 16m1

    Norah Chic Unlined Bra

    $64.95 - $84.00
  17. Front Close Back Smoothing Wonderwire BraFront Close Back Smoothing Wonderwire Bra
    Glamorise 1247

    Front Close Back Smoothing Wonderwire Bra

    Rating:
    84%
    $59.00 $44.25
  18. Norah Supportive Wirefree BraNorah Supportive Wirefree Bra
    New Color
    Chantelle 13f8

    Norah Supportive Wirefree Bra

    Rating:
    100%
    $82.00
  19. Cate Allure Underwire BraCate Allure Underwire Bra
    Elomi el2405

    Cate Allure Underwire Bra

    Rating:
    100%
    $68.00
  20. C Magnifique Full Bust Wire Free BraC Magnifique Full Bust Wire Free Bra
    Chantelle 1892

    C Magnifique Full Bust Wire Free Bra

    Rating:
    93%
    $78.00
  21. Twist I Do Full Cup Underwire BraTwist I Do Full Cup Underwire Bra
    Prima Donna 014-1602

    Twist I Do Full Cup Underwire Bra

    Rating:
    100%
    $109.95 - $146.00
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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.