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. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812
    Elise Molded Convertible Bra
    Rating:
    91%
    $51.95 - $90.00
  2. Carmen Polka Dot Lace Multi-Part BraCarmen Polka Dot Lace Multi-Part Bra
    Fit Fully Yours b2498
    Carmen Polka Dot Lace Multi-Part Bra
    Rating:
    87%
    $79.00
  3. Madison Contour Heart Shaped BraMadison Contour Heart Shaped Bra
    Prima Donna 026-2120
    Madison Contour Heart Shaped Bra
    Rating:
    93%
    $114.95 - $150.00
  4. Superboost Lace Deep V Underwire BraletteSuperboost Lace Deep V Underwire Bralette
    Gossard 7718
    Superboost Lace Deep V Underwire Bralette
    Rating:
    91%
    $38.99 - $78.00
  5. Superboost Lace Padded Plunge BraSuperboost Lace Padded Plunge Bra
    Gossard 7711
    Superboost Lace Padded Plunge Bra
    Rating:
    81%
    $32.99 - $75.00
  6. 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
  7. Norah Spacer Contour Underwire BraNorah Spacer Contour Underwire Bra
    Chantelle 13f7
    Norah Spacer Contour Underwire Bra
    Rating:
    80%
    $59.95 - $82.00
  8. Subtile 3D Plunge BraSubtile 3D Plunge Bra
    Simone Perele 19y316
    Subtile 3D Plunge Bra
    $80.00
  9. Wish Triangle Contour Push-up Lace BraWish Triangle Contour Push-up Lace Bra
    Simone Perele 12b347
    Wish Triangle Contour Push-up Lace Bra
    Rating:
    100%
    $69.95 - $125.00
  10. Mimi Push Up BraMimi Push Up Bra
    Fit Fully Yours b4102
    Mimi Push Up Bra
    $78.00
  11. Safari Racerback BraSafari Racerback Bra
    Le Mystere 5578
    Safari Racerback Bra
    $68.00
  12. Ella Molded Cup BraElla Molded Cup Bra
    Fit Fully Yours b1824
    Ella Molded Cup Bra
    $96.00
  13. Festivite Contour Plunge BraFestivite Contour Plunge Bra
    Chantelle 3682
    Festivite Contour Plunge Bra
    Rating:
    96%
    $88.00
  14. Karma Strapless BraKarma Strapless Bra
    Simone Perele 12v302
    Karma Strapless Bra
    $100.00
  15. Rebel Convertible Longline BraRebel Convertible Longline Bra
    Pour Moi 84001
    Rebel Convertible Longline Bra
    Rating:
    73%
    $47.95 - $64.00
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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.