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New arrivals
Bras
Swimwear
Plus Size
Sportswear
Maternity
Underwear
Lingerie
Shapewear
Mastectomy
Gift Cards
Brands
- View all
- Elomi
  
  Elomi
  Elomi Swim
- Fantasie
  
  Fantasie
  Fantasie Swim
- Freya
  
  Freya
  Freya Active
  Freya Swim
- Glamorise
- Goddess
- Panache
  
  Panache
  Panache Sport
  Panache Swim
- PrimaDonna
  
  PrimaDonna
  PrimaDonna Swim
  PrimaDonna Twist
- Wacoal
- Triumph
Shop By Size
Sale
Info

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18I Bras & Swimwear

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13 products

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PrimaDonna (10 products)
PrimaDonna Swimwear (3 products)

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Filter:colour: Black (2 products)
Filter:colour: Blue (1 products)
Filter:colour: Hot Pink (1 products)
Filter:colour: Navy (1 products)
Filter:colour: Nude (2 products)
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Filter:colour: Pink Blush (3 products)
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BRAS-FULL CUP (9 products)
SWIMWEAR-BIKINI TOPS (1 products)
SWIMWEAR-ONE PIECE (2 products)

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In stock (13 products)
Out of stock (10 products)

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13 products

PrimaDonna
Madison Full Cup Bra Cafe Latte

PrimaDonna

Madison Full Cup Bra Cafe Latte

Regular price $174.00

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

+
PrimaDonna
Deauville Full Cup Wire Bra Black

PrimaDonna

Deauville Full Cup Wire Bra Black

Regular price $192.00

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

+
PrimaDonna
Montara Underwired Full Cup Bra I To M Cup Crystal Pink

PrimaDonna

Montara Underwired Full Cup Bra I To M Cup Crystal Pink

Regular price $132.00

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

+
PrimaDonna
Montara Underwired Full Cup Bra I To M Cup Black

PrimaDonna

Montara Underwired Full Cup Bra I To M Cup Black

Regular price $132.00

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

+
PrimaDonna
Madison Full Cup Underwired Bra Powder Rose

PrimaDonna

Madison Full Cup Underwired Bra Powder Rose

Regular price $174.00

~~$0.00~~ Sale price $174.00
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
Devdaha Underwired Full Cup Bra Velvet Blue

PrimaDonna

Devdaha Underwired Full Cup Bra Velvet Blue

Regular price $192.00

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

+
PrimaDonna
Deauville Full Cup Wire Bra I J K Cup Cafe Latte

PrimaDonna

Deauville Full Cup Wire Bra I J K Cup Cafe Latte

Regular price $192.00

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

+
New

PrimaDonna Swimwear
Mangalore Full Cup Underwired Control One Piece Jewel Green

PrimaDonna Swimwear

Mangalore Full Cup Underwired Control One Piece Jewel Green

Regular price $296.00

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

+
PrimaDonna Swimwear
Sakarun Full Cup Bikini Top Sunny Paisley

-22%

PrimaDonna Swimwear

Sakarun Full Cup Bikini Top Sunny Paisley

Regular price $139.00

~~$178.00~~ Sale price $139.00
Unit price per

21%

+
New

PrimaDonna Swimwear
Tanzania Full Cup Underwired Control Swimsuit Calm Tropics

PrimaDonna Swimwear

Tanzania Full Cup Underwired Control Swimsuit Calm Tropics

Regular price $296.00

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

+
New

PrimaDonna
Montara Underwired Full Cup Bra I To M Cup Pink Parfait

PrimaDonna

Montara Underwired Full Cup Bra I To M Cup Pink Parfait

Regular price $132.00

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

+
PrimaDonna
Deauville Full Cup Wire Bra I J K Cup Amour

PrimaDonna

Deauville Full Cup Wire Bra I J K Cup Amour

Regular price $183.00

~~$0.00~~ Sale price $183.00
Unit price per

+

18I Bras & Swimwear

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

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

View more

18I Bras & Swimwear

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

Your 18I 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 18I bras and swimwear below. If your purchase is $99 or more you'll get free shipping anywhere in Australia.

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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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