30F Bras Lingerie, and Swimwear | 30F 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 30D3 and see everything that comes in your F, DDD, and E cup sizes.

Search 30D4 and see everything that comes in your F, DDDD, and G cup sizes.

22 Items

  1. Melody Underwired Seamless BraMelody Underwired Seamless Bra
    Empreinte 0786

    Melody Underwired Seamless Bra

    Rating:
    94%
    $154.95 - $212.00
  2. 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
  3. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765

    Allure Full Cup Underwire Bra

    Rating:
    100%
    $56.95 - $71.00
  4. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812

    Elise Molded Convertible Bra

    Rating:
    91%
    $51.95 - $90.00
  5. Norah Comfort Underwire BraNorah Comfort Underwire Bra
    New Color
    Chantelle 13f1

    Norah Comfort Underwire Bra

    Rating:
    93%
    $59.95 - $82.00
  6. Glossies Lace Sheer BraGlossies Lace Sheer Bra
    Gossard 13001

    Glossies Lace Sheer Bra

    Rating:
    94%
    $29.99 - $66.00
  7. Louise Lace Underwire Low Neck BraLouise Lace Underwire Low Neck Bra
    Empreinte 08184

    Louise Lace Underwire Low Neck Bra

    Rating:
    100%
    $164.95 - $216.50
  8. Revele Moi Underwire BraRevele Moi Underwire Bra
    Chantelle 1571

    Revele Moi Underwire Bra

    Rating:
    95%
    $88.00
  9. Joyce See Thru-Lace BraJoyce See Thru-Lace Bra
    Fit Fully Yours b2536

    Joyce See Thru-Lace Bra

    Rating:
    89%
    $48.95 - $69.00
  10. Comete Moulded Underwire BraComete Moulded Underwire Bra
    Simone Perele 12s324

    Comete Moulded Underwire Bra

    $94.95 - $120.00
  11. Adriana Lace Bralette with J-HookAdriana Lace Bralette with J-Hook
    Parfait p5482

    Adriana Lace Bralette with J-Hook

    Rating:
    85%
    $35.95 - $50.00
  12. Aubree Spacer Full Cup Underwire BraAubree Spacer Full Cup Underwire Bra
    Fantasie fl6931

    Aubree Spacer Full Cup Underwire Bra

    Rating:
    100%
    $48.95 - $77.00
  13. Lena Everyday Lace Minimizer BraLena Everyday Lace Minimizer Bra
    Dominique 7309

    Lena Everyday Lace Minimizer Bra

    Rating:
    93%
    $67.00
  14. Meryl Front Close Minimizer BraMeryl Front Close Minimizer Bra
    Dominique 7050

    Meryl Front Close Minimizer Bra

    Rating:
    70%
    $64.00
  15. Rocha Non-Wired BraRocha Non-Wired Bra
    Panache 10345

    Rocha Non-Wired Bra

    $67.00
  16. Ava See-Thru Lace Underwire BraAva See-Thru Lace Underwire Bra
    Fit Fully Yours b2382

    Ava See-Thru Lace Underwire Bra

    Rating:
    80%
    $79.00
  17. Memoir Underwire Full Cup Side Support BraMemoir Underwire Full Cup Side Support Bra
    Fantasie fl3021

    Memoir Underwire Full Cup Side Support Bra

    Rating:
    57%
    $69.00 $51.95
  18. Promesse New Full Cup BraPromesse New Full Cup Bra
    Simone Perele 12h322

    Promesse New Full Cup Bra

    $115.00 $89.95
  19. Alara Seamless Nonpadded BraAlara Seamless Nonpadded Bra
    Prima Donna 016-3010

    Alara Seamless Nonpadded Bra

    Rating:
    100%
    $160.00 $124.95
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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.