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. Fusion Underwire Full Cup Side Support BraFusion Underwire Full Cup Side Support Bra
    Fantasie fl3091
    Fusion Underwire Full Cup Side Support Bra
    Rating:
    83%
    $37.95 - $66.00
  2. 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
  3. Reflect Underwire Side Support BraReflect Underwire Side Support Bra
    Fantasie fl1801
    Reflect Underwire Side Support Bra
    Rating:
    100%
    $49.95 - $68.00
  4. Smoothing T-Shirt BraSmoothing T-Shirt Bra
    Fantasie fl4510
    Smoothing T-Shirt Bra
    $68.00
  5. Seamless Balcony BraSeamless Balcony Bra
    Fantasie fl4520
    Seamless Balcony Bra
    Rating:
    84%
    $55.00
  6. 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
  7. 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
  8. Illusion Underwire Side Support BraIllusion Underwire Side Support Bra
    Fantasie fl2982
    Illusion Underwire Side Support Bra
    Rating:
    91%
    $43.95 - $66.00
  9. Rebecca Molded Spacer Underwire BraRebecca Molded Spacer Underwire Bra
    Fantasie fl2024
    Rebecca Molded Spacer Underwire Bra
    Rating:
    89%
    $56.95 - $77.00
  10. Aura Underwire Smoothing T-Shirt BraAura Underwire Smoothing T-Shirt Bra
    Fantasie fl2321
    Aura Underwire Smoothing T-Shirt Bra
    Rating:
    86%
    $70.00
  11. Lucia Underwire Side Support BraLucia Underwire Side Support Bra
    Fantasie fl1501
    Lucia Underwire Side Support Bra
    $54.95 - $70.00
  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. Ana Underwire Side Support BraAna Underwire Side Support Bra
    Fantasie fl6702
    Ana Underwire Side Support Bra
    Rating:
    95%
    $77.00
  14. Envisage Moulded Spacer Underwire BraEnvisage Moulded Spacer Underwire Bra
    Fantasie fl6912
    Envisage Moulded Spacer Underwire Bra
    Rating:
    100%
    $47.95 - $77.00
  15. Smoothing Seamless Strapless BraSmoothing Seamless Strapless Bra
    Fantasie fl4530
    Smoothing Seamless Strapless Bra
    Rating:
    90%
    $72.00
  16. Aurelia Underwire Side Support BraAurelia Underwire Side Support Bra
    Fantasie fl1001
    Aurelia Underwire Side Support Bra
    Rating:
    100%
    $80.00 $58.95 - $64.95
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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.