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. 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
  2. Wonderwire Front Closure BraWonderwire Front Closure Bra
    Glamorise 1245

    Wonderwire Front Closure Bra

    Rating:
    90%
    $59.00 $44.25
  3. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765

    Allure Full Cup Underwire Bra

    Rating:
    100%
    $56.95 - $71.00
  4. Lace Comfort Wonderwire BraLace Comfort Wonderwire Bra
    Glamorise 9855

    Lace Comfort Wonderwire Bra

    Rating:
    50%
    $57.00 $42.75
  5. Montara Full Cup Underwire BraMontara Full Cup Underwire Bra
    Prima Donna 016-3380

    Montara Full Cup Underwire Bra

    Rating:
    60%
    $99.00
  6. Josephine Full Cup BraJosephine Full Cup Bra
    Sculptresse by Panache 10855

    Josephine Full Cup Bra

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

    Comete Moulded Underwire Bra

    $94.95 - $120.00
  8. MagicLift Seamless Everyday BraMagicLift Seamless Everyday Bra
    Glamorise 1007

    MagicLift Seamless Everyday Bra

    Rating:
    70%
    $57.00 $42.75
  9. The Game Underwire Sports BraThe Game Underwire Sports Bra
    Prima Donna 6000510

    The Game Underwire Sports Bra

    Rating:
    100%
    $149.00
  10. 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
  11. Cate Allure Underwire BraCate Allure Underwire Bra
    Elomi el2405

    Cate Allure Underwire Bra

    Rating:
    100%
    $68.00
  12. Comfort Chic Wirefree BraComfort Chic Wirefree Bra
    Chantelle 18j8

    Comfort Chic Wirefree Bra

    $82.00 $59.95
  13. Dream Full Cup Underwire BraDream Full Cup Underwire Bra
    Sculptresse by Panache 10805

    Dream Full Cup Underwire Bra

    $72.00
  14. Norah Front Closure Molded BraNorah Front Closure Molded Bra
    Chantelle 13f6

    Norah Front Closure Molded Bra

    Rating:
    73%
    $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.