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Bras
Swimwear
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Sportswear
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Underwear
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- View all
- Elomi
  
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  Elomi Swim
- Fantasie
  
  Fantasie
  Fantasie Swim
- Freya
  
  Freya
  Freya Active
  Freya Swim
- Glamorise
- Goddess
- Panache
  
  Panache
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  Panache Swim
- PrimaDonna
  
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  PrimaDonna Swim
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18C Bras & Swimwear

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432 products

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Amoena (40 products)
Anita (4 products)
Berlei (3 products)
Corin (9 products)
Elomi (6 products)
Exquisite Form (1 products)
Fantasie (2 products)
Freya Active (4 products)
Glamorise (64 products)
Goddess (7 products)
Hot Milk (2 products)
Marie Jo (27 products)
Playtex (9 products)
PrimaDonna (79 products)
PrimaDonna Swimwear (47 products)
PrimaDonna Twist (43 products)
Samanta Lingerie (16 products)
Susa (2 products)
Triumph (40 products)
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432 products

PrimaDonna
Deauville Full Cup Wire Bra Velvet Blue

PrimaDonna

Deauville Full Cup Wire Bra Velvet Blue

Regular price $192.00

~~$0.00~~ Sale price $192.00
Unit price per

+
Samanta Lingerie
Amelia Balconette Bra Powder Rose

Samanta Lingerie

Amelia Balconette Bra Powder Rose

Regular price $129.95

~~$0.00~~ Sale price $129.95
Unit price per

+
PrimaDonna Twist
Knokke Underwired Full Cup Bra Jasper Green

PrimaDonna Twist

Knokke Underwired Full Cup Bra Jasper Green

Regular price $158.00

~~$0.00~~ Sale price $158.00
Unit price per

+
PrimaDonna
Madison Full Cup Bra Fuchsia Fiesta

PrimaDonna

Madison Full Cup Bra Fuchsia Fiesta

Regular price $174.00

~~$0.00~~ Sale price $174.00
Unit price per

+
PrimaDonna
Montara Underwired Full Cup Bra Lazurite

PrimaDonna

Montara Underwired Full Cup Bra Lazurite

Regular price $132.00

~~$0.00~~ Sale price $132.00
Unit price per

+
Samanta Lingerie
Ellen Balconette Bra Fuchsia

Samanta Lingerie

Ellen Balconette Bra Fuchsia

Regular price $129.95

~~$0.00~~ Sale price $129.95
Unit price per

+
Glamorise
Magic Lift Minimizer Bra Black

Glamorise

Magic Lift Minimizer Bra Black

Regular price $84.95

~~$0.00~~ Sale price $84.95
Unit price per

+
PrimaDonna
Sophora Full Cup Bra Bois De Rose

PrimaDonna

Sophora Full Cup Bra Bois De Rose

Regular price $174.00

~~$0.00~~ Sale price $174.00
Unit price per

+
PrimaDonna
Sophora Bodysuit Bois De Rose

PrimaDonna

Sophora Bodysuit Bois De Rose

Regular price $280.00

~~$0.00~~ Sale price $280.00
Unit price per

+
PrimaDonna
Sophora Balconette Tulip Seam Bra Black

PrimaDonna

Sophora Balconette Tulip Seam Bra Black

Regular price $174.00

~~$0.00~~ Sale price $174.00
Unit price per

+
PrimaDonna
Sophora Balconette Tulip Seam Bra White

PrimaDonna

Sophora Balconette Tulip Seam Bra White

Regular price $174.00

~~$0.00~~ Sale price $174.00
Unit price per

+
PrimaDonna
Sophora Balconette Tulip Seam Bra Bois De Rose

PrimaDonna

Sophora Balconette Tulip Seam Bra Bois De Rose

Regular price $174.00

~~$0.00~~ Sale price $174.00
Unit price per

+
Samanta Lingerie
Perla Soft High Apex Bra Rosy

Samanta Lingerie

Perla Soft High Apex Bra Rosy

Regular price $139.95

~~$0.00~~ Sale price $139.95
Unit price per

+
Samanta Lingerie
Layla Soft High Apex Bra Tanzanite

Samanta Lingerie

Layla Soft High Apex Bra Tanzanite

Regular price $139.95

~~$0.00~~ Sale price $139.95
Unit price per

+
Corin
Virginia Spacer Bra Blush Pink

Corin

Virginia Spacer Bra Blush Pink

Regular price $109.95

~~$0.00~~ Sale price $109.95
Unit price per

+
Samanta Lingerie
Zora Soft High Apex Bra White

Samanta Lingerie

Zora Soft High Apex Bra White

Regular price $139.95

~~$0.00~~ Sale price $139.95
Unit price per

+
Wacoal
Back Appeal Underwired Bra Black

Wacoal

Back Appeal Underwired Bra Black

Regular price $99.95

~~$0.00~~ Sale price $99.95
Unit price per

+
Wacoal
Back Appeal Minimiser Bra Rose Dust

Wacoal

Back Appeal Minimiser Bra Rose Dust

Regular price $99.95

~~$0.00~~ Sale price $99.95
Unit price per

+
Wacoal
Back Appeal Minimiser Bra Black

Wacoal

Back Appeal Minimiser Bra Black

Regular price $99.95

~~$0.00~~ Sale price $99.95
Unit price per

+
Wacoal
Back Appeal Underwired Bra Rose Dust

Wacoal

Back Appeal Underwired Bra Rose Dust

Regular price $99.95

~~$0.00~~ Sale price $99.95
Unit price per

+
PrimaDonna Swimwear
Barrani Control One Piece Roast Coffee

PrimaDonna Swimwear

Barrani Control One Piece Roast Coffee

Regular price $296.00

~~$0.00~~ Sale price $296.00
Unit price per

+
Corin
Virginia Spacer Bra Blue Jeans

Corin

Virginia Spacer Bra Blue Jeans

Regular price $109.95

~~$0.00~~ Sale price $109.95
Unit price per

+
PrimaDonna
Madison Full Cup Bra Spring Blossom

PrimaDonna

Madison Full Cup Bra Spring Blossom

Regular price $174.00

~~$0.00~~ Sale price $174.00
Unit price per

+
PrimaDonna
Madison Seamless Non Padded Bra Spring Blossom

PrimaDonna

Madison Seamless Non Padded Bra Spring Blossom

Regular price $192.00

~~$0.00~~ Sale price $192.00
Unit price per

+
PrimaDonna
Arthill Full Cup Bra White

PrimaDonna

Arthill Full Cup Bra White

Regular price $192.00

~~$0.00~~ Sale price $192.00
Unit price per

+
Wacoal
Raffine Underwired Plunge Bra Silver Pink

Wacoal

Raffine Underwired Plunge Bra Silver Pink

Regular price $94.95

~~$0.00~~ Sale price $94.95
Unit price per

+
PrimaDonna Swimwear
Najac Full Cup Bikini Top Floral Explosion

PrimaDonna Swimwear

Najac Full Cup Bikini Top Floral Explosion

Regular price $169.00

~~$0.00~~ Sale price $169.00
Unit price per

+
PrimaDonna Swimwear
Najac Half Padded Plunge Bikini Top Floral Explosion

PrimaDonna Swimwear

Najac Half Padded Plunge Bikini Top Floral Explosion

Regular price $178.00

~~$0.00~~ Sale price $178.00
Unit price per

+

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16

18C Bras & Swimwear

The perfect bra starts with the perfect size. If you know your size is 18C and you are looking for the perfect fit, you'll want to make sure that:

Your 18C bra fits snugly around the b...

View more

18C Bras & Swimwear

The perfect bra starts with the perfect size. If you know your size is 18C and you are looking for the perfect fit, you'll want to make sure that:

Your 18C bra fits snugly around the back and sits evenly on the body from front to back.
Underwires must sit flush against your chest.
Your whole breast is fitting into the cup with NO spillage or gaping.
You should be able to fit your finger under the straps.

If you are unsure of your size, visit our fitting advice page to learn more about your size, or you can contact our fitters for a virtual phone or video fitting. Otherwise, check out our selection of 18C bras and swimwear below. If your purchase is $150 or more you'll get free shipping anywhere in Australia.

View Less

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© 2025 Cheeky Nites Pty Ltd (Trading as DeBra’s). All rights reserved.

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Help & info

Contact Us
F.A.Q
Delivery & Shipping
Returns & Exchanges
Privacy Policy
Terms & Conditions

About DeBra’s

About Us
Store Location
In-Store Fittings
Virtual Fittings
Mastectomy Fittings

More from DeBra’s

Blogs
Care Instructions
Fitting Guide
Gift Vouchers
Partners
Reviews

Follow us

Instagram
Facebook
YouTube

+61 (2) 4722 4477

© 2025 Cheeky Nites Pty Ltd (Trading as DeBra’s). All rights reserved.

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