38F Bras Lingerie, and Swimwear | 38F 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 38D3 and see everything that comes in your F, DDD, and E cup sizes.

Search 38D4 and see everything that comes in your F, DDDD, and G cup sizes.

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  1. Madison Full Cup BraMadison Full Cup Bra
    Prima Donna 016-2120

    Madison Full Cup Bra

    Rating:
    91%
    $114.95 - $146.00
  2. Deauville Full Cup BraDeauville Full Cup Bra
    Prima Donna 016-1810

    Deauville Full Cup Bra

    Rating:
    96%
    $109.95 - $159.00
  3. Cassiopee Seamless Embroidery Full Cup BraCassiopee Seamless Embroidery Full Cup Bra
    Empreinte 07151

    Cassiopee Seamless Embroidery Full Cup Bra

    Rating:
    96%
    $164.95 - $225.00
  4. Cate Underwire Full Cup Banded BraCate Underwire Full Cup Banded Bra
    Elomi el4030

    Cate Underwire Full Cup Banded Bra

    Rating:
    93%
    $34.95 - $65.00
  5. Magic Lift with Posture Back Support BraMagic Lift with Posture Back Support Bra
    Glamorise 1265

    Magic Lift with Posture Back Support Bra

    Rating:
    76%
    $59.00 $44.25
  6. Serena Lace Multi-Part Underwire BraSerena Lace Multi-Part Underwire Bra
    Fit Fully Yours b2761

    Serena Lace Multi-Part Underwire Bra

    $34.99 - $77.00
  7. Morgan Underwire Bra with UnderbandMorgan Underwire Bra with Underband
    Elomi el4110

    Morgan Underwire Bra with Underband

    Rating:
    90%
    $39.95 - $72.00
  8. Idol Underwire T-Shirt BraIdol Underwire T-Shirt Bra
    Freya aa1050

    Idol Underwire T-Shirt Bra

    Rating:
    89%
    $50.95 - $70.00
  9. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765

    Allure Full Cup Underwire Bra

    Rating:
    100%
    $56.95 - $71.00
  10. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812

    Elise Molded Convertible Bra

    Rating:
    91%
    $51.95 - $90.00
  11. The Ultimate Full Figure Soft Cup Sports BraThe Ultimate Full Figure Soft Cup Sports Bra
    Glamorise 1006

    The Ultimate Full Figure Soft Cup Sports Bra

    Rating:
    77%
    $57.00 $42.75
  12. 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
  13. Energise Underwire Sports Bra with J HookEnergise Underwire Sports Bra with J Hook
    Elomi el8041

    Energise Underwire Sports Bra with J Hook

    Rating:
    89%
    $50.95 - $72.00
  14. Active Maximum Support Wire Free Sports BraActive Maximum Support Wire Free Sports Bra
    Anita 5527

    Active Maximum Support Wire Free Sports Bra

    Rating:
    89%
    $58.95 - $79.00
  15. 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
  16. Floral Soft Cup BraFloral Soft Cup Bra
    Aviana 2353

    Floral Soft Cup Bra

    Rating:
    81%
    $56.00 $50.40
  17. No Bounce Cami Sports BraNo Bounce Cami Sports Bra
    Glamorise 1066

    No Bounce Cami Sports Bra

    Rating:
    86%
    $47.00 $29.95
  18. Orlando Full Cup BraOrlando Full Cup Bra
    Prima Donna 016-3150

    Orlando Full Cup Bra

    Rating:
    100%
    $124.95 - $159.00
  19. Clara Full Cup BraClara Full Cup Bra
    Panache 7255

    Clara Full Cup Bra

    Rating:
    89%
    $52.95 - $71.00
  20. SuperBra Tango II Underwire Balconnet BraSuperBra Tango II Underwire Balconnet Bra
    Panache 3251

    SuperBra Tango II Underwire Balconnet Bra

    Rating:
    83%
    $48.95 - $66.00
  21. Nicole Sheer Lace BraNicole Sheer Lace Bra
    Fit Fully Yours b2271

    Nicole Sheer Lace Bra

    Rating:
    90%
    $49.95 - $77.00
  22. Wonderfully 4 Part Cup Balcony BraWonderfully 4 Part Cup Balcony Bra
    Curvy Kate ck6110

    Wonderfully 4 Part Cup Balcony Bra

    Rating:
    74%
    $55.95 - $69.00
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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.