30F Bras Lingerie, and Swimwear | 30F 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 30D3 and see everything that comes in your F, DDD, and E cup sizes.

Search 30D4 and see everything that comes in your F, DDDD, and G cup sizes.

23 Items

  1. 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
  2. Thalia Underwired Low-Neck BraThalia Underwired Low-Neck Bra
    Empreinte 1856
    Thalia Underwired Low-Neck Bra
    Rating:
    95%
    $163.95 - $220.50
  3. Non Wired Sports BraNon Wired Sports Bra
    Panache 7341b
    Non Wired Sports Bra
    Rating:
    100%
    $54.95 - $76.00
  4. Aura Underwire Smoothing T-Shirt BraAura Underwire Smoothing T-Shirt Bra
    Fantasie fl2321
    Aura Underwire Smoothing T-Shirt Bra
    Rating:
    86%
    $70.00
  5. Lucia Underwire Side Support BraLucia Underwire Side Support Bra
    Fantasie fl1501
    Lucia Underwire Side Support Bra
    $54.95 - $70.00
  6. Envisage Moulded Spacer Underwire BraEnvisage Moulded Spacer Underwire Bra
    Fantasie fl6912
    Envisage Moulded Spacer Underwire Bra
    Rating:
    100%
    $47.95 - $77.00
  7. Jasmine Balconnet Underwire BraJasmine Balconnet Underwire Bra
    Panache 6951
    Jasmine Balconnet Underwire Bra
    Rating:
    90%
    $71.00 $52.95 - $54.95
  8. High Impact Everyday Sports BraHigh Impact Everyday Sports Bra
    Chantelle 15m1
    High Impact Everyday Sports Bra
    Rating:
    100%
    $88.00
  9. Maxine Contour Underwire BraMaxine Contour Underwire Bra
    Fit Fully Yours b1012
    Maxine Contour Underwire Bra
    Rating:
    86%
    $29.99 - $79.00
  10. Bridget Balconette Underwire BraBridget Balconette Underwire Bra
    Fit Fully Yours b2645
    Bridget Balconette Underwire Bra
    Rating:
    100%
    $76.00
  11. Harmony High Impact Underwire Sports BraHarmony High Impact Underwire Sports Bra
    Simone Perele 1sa262
    Harmony High Impact Underwire Sports Bra
    Rating:
    88%
    $95.00
  12. Memoir Underwire Full Cup Side Support BraMemoir Underwire Full Cup Side Support Bra
    Fantasie fl3021
    Memoir Underwire Full Cup Side Support Bra
    Rating:
    57%
    $69.00 $51.95
  13. Eleanor Molded Spacer Nursing BraEleanor Molded Spacer Nursing Bra
    Panache 9081
    Eleanor Molded Spacer Nursing Bra
    Rating:
    73%
    $68.00
  14. Core Underwire Sports BraCore Underwire Sports Bra
    Freya aa4002
    Core Underwire Sports Bra
    Rating:
    87%
    $64.00 $47.95
  15. Olivia Underwire Side Support BraOlivia Underwire Side Support Bra
    Fantasie fl3182
    Olivia Underwire Side Support Bra
    Rating:
    100%
    $66.00 $49.95
  16. Nouveau Balconnet BraNouveau Balconnet Bra
    Panache 9291
    Nouveau Balconnet Bra
    Rating:
    73%
    $67.00 $39.95
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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.