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. Matilda Underwire Plunge BraMatilda Underwire Plunge Bra
    Elomi el8900
    Matilda Underwire Plunge Bra
    Rating:
    92%
    $44.95 - $72.00
  2. 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
  3. Charley Underwire Plunge BraCharley Underwire Plunge Bra
    Elomi el4380
    Charley Underwire Plunge Bra
    Rating:
    93%
    $39.95 - $72.00
  4. Charley Underwire Spacer T-Shirt BraCharley Underwire Spacer T-Shirt Bra
    Elomi el4383
    Charley Underwire Spacer T-Shirt Bra
    Rating:
    94%
    $56.95 - $78.00
  5. Charley Underwire Stretch Lace Plunge BraCharley Underwire Stretch Lace Plunge Bra
    Elomi el4382
    Charley Underwire Stretch Lace Plunge Bra
    Rating:
    91%
    $34.95 - $68.00
  6. Morgan Underwire Banded BraMorgan Underwire Banded Bra
    Elomi el4111
    Morgan Underwire Banded Bra
    Rating:
    91%
    $49.95 - $68.00
  7. Serena Lace Multi-Part Underwire BraSerena Lace Multi-Part Underwire Bra
    Fit Fully Yours b2761
    Serena Lace Multi-Part Underwire Bra
    Rating:
    60%
    $34.99 - $77.00
  8. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812
    Elise Molded Convertible Bra
    Rating:
    91%
    $51.95 - $90.00
  9. 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
  10. Norah Comfort Underwire BraNorah Comfort Underwire Bra
    Chantelle 13f1
    Norah Comfort Underwire Bra
    Rating:
    93%
    $59.95 - $82.00
  11. Morgan Underwire Bra with UnderbandMorgan Underwire Bra with Underband
    Elomi el4110
    Morgan Underwire Bra with Underband
    Rating:
    90%
    $39.95 - $72.00
  12. Smooth Underwire Molded BraSmooth Underwire Molded Bra
    Elomi el4301
    Smooth Underwire Molded Bra
    Rating:
    94%
    $65.00
  13. 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
  14. Nicole Sheer Lace BraNicole Sheer Lace Bra
    Fit Fully Yours b2271
    Nicole Sheer Lace Bra
    Rating:
    90%
    $49.95 - $77.00
  15. Lucie Underwire Stretch Cup Plunge BraLucie Underwire Stretch Cup Plunge Bra
    Elomi el4490
    Lucie Underwire Stretch Cup Plunge Bra
    Rating:
    100%
    $49.95 - $72.00
  16. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212
    Zora Molded Underwire Bra
    Rating:
    85%
    $80.00
  17. Hedona Molded Underwire BraHedona Molded Underwire Bra
    Chantelle 2031
    Hedona Molded Underwire Bra
    Rating:
    89%
    $44.95 - $88.00
  18. Amazone Underwire BraAmazone Underwire Bra
    Chantelle 2101
    Amazone Underwire Bra
    Rating:
    92%
    $94.00
  19. Brianna Underwire Plunge BraBrianna Underwire Plunge Bra
    Elomi el8080
    Brianna Underwire Plunge Bra
    Rating:
    97%
    $44.95 - $72.00
  20. Gloria Smooth Lace BraGloria Smooth Lace Bra
    Fit Fully Yours b1042
    Gloria Smooth Lace Bra
    Rating:
    81%
    $77.00
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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.