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.

8 Items

  1. 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
  2. Madison Seamless Non-Padded BraMadison Seamless Non-Padded Bra
    Prima Donna 026-2127

    Madison Seamless Non-Padded Bra

    Rating:
    100%
    $114.95 - $154.00
  3. Louise Lace Underwire Low Neck BraLouise Lace Underwire Low Neck Bra
    Empreinte 08184

    Louise Lace Underwire Low Neck Bra

    Rating:
    100%
    $164.95 - $216.50
  4. Delice Sheer Plunge BraDelice Sheer Plunge Bra
    Simone Perele 12x319

    Delice Sheer Plunge Bra

    Rating:
    97%
    $79.95 - $120.00
  5. Jade Lace BraJade Lace Bra
    Fit Fully Yours b2405

    Jade Lace Bra

    $81.00
  6. Ava See-Thru Lace Underwire BraAva See-Thru Lace Underwire Bra
    Fit Fully Yours b2382

    Ava See-Thru Lace Underwire Bra

    Rating:
    80%
    $79.00
  7. Bridget Balconette Underwire BraBridget Balconette Underwire Bra
    Fit Fully Yours b2645

    Bridget Balconette Underwire Bra

    Rating:
    100%
    $76.00
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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.