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. Tom Fiberfill Convertible Underwire BraTom Fiberfill Convertible Underwire Bra
    Marie Jo 012-0826
    Tom Fiberfill Convertible Underwire Bra
    Rating:
    95%
    $69.95 - $120.00
  2. Norah Comfort Underwire BraNorah Comfort Underwire Bra
    New Color
    Chantelle 13f1
    Norah Comfort Underwire Bra
    Rating:
    93%
    $59.95 - $82.00
  3. Tom Balconette BraTom Balconette Bra
    Marie Jo 012-0829
    Tom Balconette Bra
    Rating:
    94%
    $69.95 - $120.00
  4. Hedona Molded Underwire BraHedona Molded Underwire Bra
    Chantelle 2031
    Hedona Molded Underwire Bra
    Rating:
    89%
    $44.95 - $88.00
  5. Amazone Underwire BraAmazone Underwire Bra
    Chantelle 2101
    Amazone Underwire Bra
    Rating:
    92%
    $94.00
  6. Lace Longline BraLace Longline Bra
    Goddess gd0689
    Lace Longline Bra
    Rating:
    84%
    $64.00
  7. Jane Contour Balconette BraJane Contour Balconette Bra
    Marie Jo 010-1339
    Jane Contour Balconette Bra
    Rating:
    97%
    $79.95 - $150.00
  8. Avero Contour Plunge BraAvero Contour Plunge Bra
    Marie Jo 010-0418
    Avero Contour Plunge Bra
    Rating:
    94%
    $155.00
  9. Fleur Demi Underwire BraFleur Demi Underwire Bra
    Chantelle 12m5
    Fleur Demi Underwire Bra
    $84.95 - $118.00
  10. Revele Moi Underwire BraRevele Moi Underwire Bra
    Chantelle 1571
    Revele Moi Underwire Bra
    Rating:
    95%
    $88.00
  11. Tom Plunge Cup BraTom Plunge Cup Bra
    Marie Jo 012-0822
    Tom Plunge Cup Bra
    Rating:
    78%
    $69.95 - $120.00
  12. Norah Chic Unlined BraNorah Chic Unlined Bra
    Chantelle 16m1
    Norah Chic Unlined Bra
    $64.95 - $84.00
  13. C Jolie Memory Foam Underwire BraC Jolie Memory Foam Underwire Bra
    New Color
    Chantelle 13b6
    C Jolie Memory Foam Underwire Bra
    Rating:
    70%
    $59.95 - $82.00
  14. Norah Front Closure Molded BraNorah Front Closure Molded Bra
    Chantelle 13f6
    Norah Front Closure Molded Bra
    Rating:
    73%
    $82.00
  15. Norah Spacer Contour Underwire BraNorah Spacer Contour Underwire Bra
    Chantelle 13f7
    Norah Spacer Contour Underwire Bra
    Rating:
    80%
    $59.95 - $82.00
  16. 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
  17. Champs Elysees Convertible T-Shirt BraChamps Elysees Convertible T-Shirt Bra
    Chantelle 2606
    Champs Elysees Convertible T-Shirt Bra
    Rating:
    90%
    $59.95 - $108.00
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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.