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.

Items 1-24 of 51

  1. 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
  2. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212
    Zora Molded Underwire Bra
    Rating:
    85%
    $80.00
  3. Initiale Spacer Foam Underwire Sports BraInitiale Spacer Foam Underwire Sports Bra
    Empreinte 07200
    Initiale Spacer Foam Underwire Sports Bra
    Rating:
    87%
    $149.95 - $204.00
  4. Verity Spacer Foam Cup Underwire BraVerity Spacer Foam Cup Underwire Bra
    Empreinte 40173
    Verity Spacer Foam Cup Underwire Bra
    Rating:
    88%
    $184.00
  5. Rebecca Essentials Underwire Moulded Spacer BraRebecca Essentials Underwire Moulded Spacer Bra
    Fantasie fl1310
    Rebecca Essentials Underwire Moulded Spacer Bra
    Rating:
    93%
    $48.95 - $70.00
  6. Pure Balance Molded Spacer Underwire BraPure Balance Molded Spacer Underwire Bra
    Conturelle 206201
    Pure Balance Molded Spacer Underwire Bra
    Rating:
    89%
    $129.00
  7. 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
  8. Avero Contour Plunge BraAvero Contour Plunge Bra
    Marie Jo 010-0418
    Avero Contour Plunge Bra
    Rating:
    94%
    $155.00
  9. Energy Empower Convertible Underwire Sports BraEnergy Empower Convertible Underwire Sports Bra
    Pour Moi 97003
    Energy Empower Convertible Underwire Sports Bra
    Rating:
    87%
    $41.95 - $69.00
  10. Charlotte Padded BraCharlotte Padded Bra
    Parfait 6901
    Charlotte Padded Bra
    Rating:
    83%
    $20.95 - $54.00
  11. Ana Spacer Foam T-Shirt Underwire BraAna Spacer Foam T-Shirt Underwire Bra
    Fantasie fl6701
    Ana Spacer Foam T-Shirt Underwire Bra
    Rating:
    100%
    $53.95 - $77.00
  12. Elegance Spacer T-Shirt Underwire BraElegance Spacer T-Shirt Underwire Bra
    Sculptresse by Panache 10401
    Elegance Spacer T-Shirt Underwire Bra
    $82.00
  13. 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
  14. Figuras Spacer Full Cup BraFiguras Spacer Full Cup Bra
    Prima Donna 016-3250
    Figuras Spacer Full Cup Bra
    $135.00
  15. Norah Spacer Contour Underwire BraNorah Spacer Contour Underwire Bra
    Chantelle 13f7
    Norah Spacer Contour Underwire Bra
    Rating:
    80%
    $59.95 - $82.00
  16. Pauline Full Coverage Underwire Sports BraPauline Full Coverage Underwire Sports Bra
    Fit Fully Yours b9660
    Pauline Full Coverage Underwire Sports Bra
    Rating:
    90%
    $73.00
  17. Envisage Moulded Spacer Underwire BraEnvisage Moulded Spacer Underwire Bra
    Fantasie fl6912
    Envisage Moulded Spacer Underwire Bra
    Rating:
    100%
    $47.95 - $77.00
  18. Subtile 3D Plunge BraSubtile 3D Plunge Bra
    Simone Perele 19y316
    Subtile 3D Plunge Bra
    $80.00
  19. Safari Plunge T-Shirt BraSafari Plunge T-Shirt Bra
    New Color
    Le Mystere 9978
    Safari Plunge T-Shirt Bra
    Rating:
    87%
    $33.99 - $68.00
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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.