40F Bras Lingerie, and Swimwear | 40F 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 40D3 and see everything that comes in your F, DDD, and E cup sizes.

Search 40D4 and see everything that comes in your F, DDDD, and G cup sizes.

13 Items

  1. Full-Busted Underwire Sports BraFull-Busted Underwire Sports Bra
    Panache 5021

    Full-Busted Underwire Sports Bra

    Rating:
    60%
    $44.95 - $75.00
  2. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812

    Elise Molded Convertible Bra

    Rating:
    91%
    $51.95 - $90.00
  3. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212

    Zora Molded Underwire Bra

    Rating:
    85%
    $80.00
  4. Dana Strapless BraDana Strapless Bra
    Sculptresse by Panache 9670

    Dana Strapless Bra

    Rating:
    98%
    $82.00
  5. Superplunge Multiway Padded Plunge BraSuperplunge Multiway Padded Plunge Bra
    Curvy Kate ck2107

    Superplunge Multiway Padded Plunge Bra

    Rating:
    70%
    $68.00
  6. Pauline Full Coverage Underwire Sports BraPauline Full Coverage Underwire Sports Bra
    Fit Fully Yours b9660

    Pauline Full Coverage Underwire Sports Bra

    Rating:
    90%
    $73.00
  7. Molded Underwire Strapless BraMolded Underwire Strapless Bra
    Elomi el1230

    Molded Underwire Strapless Bra

    Rating:
    90%
    $69.00 $39.95
  8. Evie Strapless BraEvie Strapless Bra
    Panache 5320

    Evie Strapless Bra

    Rating:
    79%
    $67.00 $53.95
  9. Convertible Underwire Sports BraConvertible Underwire Sports Bra
    Parfait p5541

    Convertible Underwire Sports Bra

    Rating:
    73%
    $54.00
  10. Tiffany Wireless BraTiffany Wireless Bra
    Fit Fully Yours b6913

    Tiffany Wireless Bra

    Rating:
    40%
    $64.00
  11. Aura Underwire Seamless Strapless BraAura Underwire Seamless Strapless Bra
    Fantasie fl2320

    Aura Underwire Seamless Strapless Bra

    Rating:
    65%
    $74.00
  12. Octavia Strapless BraOctavia Strapless Bra
    Fit Fully Yours b5011

    Octavia Strapless 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.