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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
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Info

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20K Bras & Swimwear

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43 products

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Elomi (11 products)
Glamorise (7 products)
Goddess (15 products)
PrimaDonna (9 products)
Sculptresse (1 products)

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Filter:colour: Black (8 products)
Filter:colour: Blue (5 products)
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Filter:colour: Grey (1 products)
Filter:colour: Hot Pink (2 products)
Filter:colour: Ivory (1 products)
Filter:colour: Navy (1 products)
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Filter:colour: Nude (6 products)
Filter:colour: Pink Blush (5 products)
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BRAS-FRONT OPENING (4 products)
BRAS-FULL CUP (29 products)
BRAS-NURSING (3 products)
BRAS-SPORTS (1 products)
BRAS-WIRE FREE (5 products)

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43 products

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

+
Elomi
Cate Underwired Full Cup Banded Bra Poseidon

Elomi

Cate Underwired Full Cup Banded Bra Poseidon

Regular price $89.95

~~$0.00~~ Sale price $89.95
Unit price per

+
Goddess
Keira Banded Bra Blackberry

Goddess

Keira Banded Bra Blackberry

Regular price $84.95

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

+
Goddess
Keira Banded Bra Deep Teal

Goddess

Keira Banded Bra Deep Teal

Regular price $84.95

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

+
PrimaDonna
Deauville Full Cup Wire Bra I J K Cup Velvet Blue

PrimaDonna

Deauville Full Cup Wire Bra I J K Cup Velvet Blue

Regular price $192.00

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

+
PrimaDonna
Montara Underwired Full Cup I To M Cup Lazurite

PrimaDonna

Montara Underwired Full Cup I To M Cup Lazurite

Regular price $132.00

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

+
Goddess
Keira Banded Bra Hot Pink

Goddess

Keira Banded Bra Hot Pink

Regular price $79.95

~~$0.00~~ Sale price $79.95
Unit price per

+
Goddess
Keira Banded Bra Pearl Blush

Goddess

Keira Banded Bra Pearl Blush

Regular price $84.95

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

+
Goddess
Keira Banded Bra Olive

Goddess

Keira Banded Bra Olive

Regular price $84.95

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

+
Glamorise
Magic Lift Posture Back Support Bra Blue

Glamorise

Magic Lift Posture Back Support Bra Blue

Regular price $94.95

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

+
Goddess
Celeste Soft Cup Bra Fawn

Goddess

Celeste Soft Cup Bra Fawn

Regular price $84.95

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

+
Elomi
Cate Underwired Full Cup Banded Bra Berry

Elomi

Cate Underwired Full Cup Banded Bra Berry

Regular price $84.95

~~$0.00~~ Sale price $84.95
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
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

+
Goddess
Keira Banded Underwire Bra Wisteria

Goddess

Keira Banded Underwire Bra Wisteria

Regular price $79.95

~~$0.00~~ Sale price $79.95
Unit price per

+
Glamorise
Magic Lift Posture Back Support Bra Cafe

Glamorise

Magic Lift Posture Back Support Bra Cafe

Regular price $94.95

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

+
Glamorise
Magic Lift Posture Back Support Bra White

Glamorise

Magic Lift Posture Back Support Bra White

Regular price $94.95

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

+
Glamorise
Magic Lift Posture Back Support Bra Black

Glamorise

Magic Lift Posture Back Support Bra Black

Regular price $94.95

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

+
Goddess
Celeste Soft Cup Bra Black

Goddess

Celeste Soft Cup Bra Black

Regular price $84.95

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

+
Elomi
Molly Underwire Nursing Bra Cameo Rose

Elomi

Molly Underwire Nursing Bra Cameo Rose

Regular price $99.95

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

+
Elomi
Molly Underwire Nursing Bra Black

Elomi

Molly Underwire Nursing Bra Black

Regular price $99.95

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

+
Elomi
Molly Underwire Nursing Bra Blush

-25%

Elomi

Molly Underwire Nursing Bra Blush

Regular price $74.95

~~$99.95~~ Sale price $74.95
Unit price per

25%

+
Goddess
Keira Banded Bra Black

Goddess

Keira Banded Bra Black

Regular price $84.95

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

+
Goddess
Keira Banded Underwire Bra Blue Granite

-10%

Goddess

Keira Banded Underwire Bra Blue Granite

Regular price $71.95

~~$79.95~~ Sale price $71.95
Unit price per

10%

+
Goddess
Keira Banded Underwired Bra Magenta Mix

Goddess

Keira Banded Underwired Bra Magenta Mix

Regular price $79.95

~~$0.00~~ Sale price $79.95
Unit price per

+
Goddess
Keira Banded Bra Chocolate

Goddess

Keira Banded Bra Chocolate

Regular price $84.95

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

+
Goddess
Keira Underwired Banded Bra White

Goddess

Keira Underwired Banded Bra White

Regular price $84.95

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

+

1
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20K Bras & Swimwear

The perfect bra starts with the perfect size. If you know your size is 20K and you are looking for the perfect fit, you'll want to make sure that:

Your 20K bra fits snugly around the b...

View more

20K Bras & Swimwear

The perfect bra starts with the perfect size. If you know your size is 20K and you are looking for the perfect fit, you'll want to make sure that:

Your 20K 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 20K bras and swimwear below. If your purchase is $99 or more you'll get free shipping anywhere in Australia.

View Less

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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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