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 66

  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:
    86%
    $79.00
  2. Orlando Full Cup BraOrlando Full Cup Bra
    Prima Donna 016-3150

    Orlando Full Cup Bra

    Rating:
    100%
    $124.95 - $159.00
  3. Madison Seamless Non-Padded BraMadison Seamless Non-Padded Bra
    Prima Donna 026-2127

    Madison Seamless Non-Padded Bra

    Rating:
    100%
    $114.95 - $154.00
  4. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212

    Zora Molded Underwire Bra

    Rating:
    85%
    $80.00
  5. Thalia Underwired Low-Neck BraThalia Underwired Low-Neck Bra
    Empreinte 1856

    Thalia Underwired Low-Neck Bra

    Rating:
    95%
    $163.95 - $220.50
  6. Bliss Full Cup Underwire BraBliss Full Cup Underwire Bra
    New Color
    Sculptresse by Panache 10685

    Bliss Full Cup Underwire Bra

    $76.00
  7. Figuras Heart Shaped Padded BraFiguras Heart Shaped Padded Bra
    Prima Donna 026-3250

    Figuras Heart Shaped Padded Bra

    Rating:
    73%
    $131.00
  8. Esme Balcony BraEsme Balcony Bra
    Sculptresse by Panache 10921

    Esme Balcony Bra

    $59.95 - $74.00
  9. Lace Comfort Wonderwire BraLace Comfort Wonderwire Bra
    Glamorise 9855

    Lace Comfort Wonderwire Bra

    Rating:
    50%
    $57.00 $42.75
  10. Boost Me Up Padded Balcony BraBoost Me Up Padded Balcony Bra
    Curvy Kate ck2716

    Boost Me Up Padded Balcony Bra

    Rating:
    86%
    $68.00
  11. Montara Full Cup Underwire BraMontara Full Cup Underwire Bra
    Prima Donna 016-3380

    Montara Full Cup Underwire Bra

    Rating:
    60%
    $99.00
  12. Superplunge Multiway Padded Plunge BraSuperplunge Multiway Padded Plunge Bra
    Curvy Kate ck2107

    Superplunge Multiway Padded Plunge Bra

    Rating:
    70%
    $68.00
  13. Josephine Full Cup BraJosephine Full Cup Bra
    Sculptresse by Panache 10855

    Josephine Full Cup Bra

    $64.95 - $83.00
  14. Elegance Comfort Straps Wonderwire BraElegance Comfort Straps Wonderwire Bra
    Glamorise 1240

    Elegance Comfort Straps Wonderwire Bra

    Rating:
    94%
    $59.00 $44.25
  15. Front Close Back Smoothing Wonderwire BraFront Close Back Smoothing Wonderwire Bra
    Glamorise 1247

    Front Close Back Smoothing Wonderwire Bra

    Rating:
    84%
    $59.00 $44.25
  16. Cate Allure Underwire BraCate Allure Underwire Bra
    Elomi el2405

    Cate Allure Underwire Bra

    Rating:
    100%
    $68.00
  17. C Magnifique Full Bust Wire Free BraC Magnifique Full Bust Wire Free Bra
    Chantelle 1892

    C Magnifique Full Bust Wire Free Bra

    Rating:
    93%
    $78.00
  18. Smooth Shape 360 Smoother Wireless BraSmooth Shape 360 Smoother Wireless Bra
    Le Mystere 7719

    Smooth Shape 360 Smoother Wireless Bra

    Rating:
    87%
    $46.95 - $68.00
  19. Twist I Do Full Cup Underwire BraTwist I Do Full Cup Underwire Bra
    Prima Donna 014-1602

    Twist I Do Full Cup Underwire Bra

    Rating:
    100%
    $109.95 - $146.00
  20. Smoothie Strapless Molded BraSmoothie Strapless Molded Bra
    Curvy Kate ck8109

    Smoothie Strapless Molded Bra

    Rating:
    100%
    $70.00
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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.