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.

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  1. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765
    Allure Full Cup Underwire Bra
    Rating:
    90%
    $56.95 - $74.00
  2. 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
  3. 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
  4. SuperBra Tango II Underwire Balconnet BraSuperBra Tango II Underwire Balconnet Bra
    Panache 3251
    SuperBra Tango II Underwire Balconnet Bra
    Rating:
    83%
    $48.95 - $64.00
  5. Ultra Perform Non Padded Sports BraUltra Perform Non Padded Sports Bra
    Panache 5022
    Ultra Perform Non Padded Sports Bra
    Rating:
    70%
    $59.95 - $79.00
  6. Orlando Full Cup BraOrlando Full Cup Bra
    Prima Donna 016-3150
    Orlando Full Cup Bra
    Rating:
    100%
    $124.95 - $165.00
  7. Thalia Underwired Low-Neck BraThalia Underwired Low-Neck Bra
    Empreinte 1856
    Thalia Underwired Low-Neck Bra
    Rating:
    95%
    $163.95 - $220.50
  8. Lace Daze Underwire Balcony BraLace Daze Underwire Balcony Bra
    Curvy Kate ck4410
    Lace Daze Underwire Balcony Bra
    Rating:
    100%
    $44.95 - $69.00
  9. Reflect Underwire Side Support BraReflect Underwire Side Support Bra
    Fantasie fl1801
    Reflect Underwire Side Support Bra
    Rating:
    100%
    $49.95 - $68.00
  10. Serene Full Cup Underwire BraSerene Full Cup Underwire Bra
    Panache 10305
    Serene Full Cup Underwire Bra
    Rating:
    100%
    $59.95 - $68.00
  11. Delice Sheer Plunge BraDelice Sheer Plunge Bra
    Simone Perele 12x319
    Delice Sheer Plunge Bra
    Rating:
    97%
    $79.95 - $120.00
  12. 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
  13. Revele Moi Underwire BraRevele Moi Underwire Bra
    Chantelle 1571
    Revele Moi Underwire Bra
    Rating:
    95%
    $88.00
  14. Day to Night Lace Unlined Demi BraDay to Night Lace Unlined Demi Bra
    Chantelle 15f5
    Day to Night Lace Unlined Demi Bra
    Rating:
    100%
    $74.95 - $98.00
  15. Rocha Non-Wired BraRocha Non-Wired Bra
    Panache 10345
    Rocha Non-Wired Bra
    $64.00
  16. Imogen Balconnet BraImogen Balconnet Bra
    Panache 10161
    Imogen Balconnet Bra
    Rating:
    100%
    $70.00 $48.95 - $54.95
  17. Superboost Lace Non-Padded Plunge BraSuperboost Lace Non-Padded Plunge Bra
    Gossard 7725
    Superboost Lace Non-Padded Plunge Bra
    Rating:
    89%
    $36.99 - $75.00
  18. Scantilly Fascinate Plunge Basque BraScantilly Fascinate Plunge Basque Bra
    Curvy Kate st1770
    Scantilly Fascinate Plunge Basque Bra
    Rating:
    100%
    $151.00 $119.95
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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.