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Plunge Bras

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Abellia Plunge Push Up Bra Gardenia
Abellia Plunge Push Up Bra Gardenia

Abellia Plunge Push Up Bra Gardenia

$94.95
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Subtile 3D Plunge Contour Bra Peau Rose
Subtile 3D Plunge Contour Bra Peau Rose

Subtile 3D Plunge Contour Bra Peau Rose

$149.95
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Subtile 3D Plunge Contour Bra Black
Subtile 3D Plunge Contour Bra Black

Subtile 3D Plunge Contour Bra Black

$149.95
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Perfectly Fit Lightly Lined T-Shirt Bra Cedar
Perfectly Fit Lightly Lined T-Shirt Bra Cedar

Perfectly Fit Lightly Lined T-Shirt Bra Cedar

$99.95
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Perfectly Fit Push Up Plunge Bra Black
Perfectly Fit Push Up Plunge Bra Black

Perfectly Fit Push Up Plunge Bra Black

$99.95
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Greta Triangle Bralette Fuchsia
Greta Triangle Bralette Fuchsia

Greta Triangle Bralette Fuchsia

$109.95
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Greta Bralette with Lace Fuchsia
Greta Bralette with Lace Fuchsia

Greta Bralette with Lace Fuchsia

$109.95
Marie Jo Yoly Heart Shaped T-Shirt Bra in Jewel Green with fuchsia lace, lightly padded with embroidered cups and bold contrast trims.
 
Marie Jo Yoly Heart Shaped T-Shirt Bra in Jewel Green with fuchsia lace, lightly padded with embroidered cups and bold contrast trims.
Marie Jo Yoly Heart Shaped T-Shirt Bra in Jewel Green with fuchsia lace, lightly padded with embroidered cups and bold contrast trims.

Yoly Heart Shaped T-Shirt Bra Jewel Green

$189.95
Model wearing the Jane Padded Heart Shape Bra in Velvet Blue, highlighting the deep plunge neckline and embroidered cups.
 
Model wearing the Jane Padded Heart Shape Bra in Velvet Blue, highlighting the deep plunge neckline and embroidered cups.
Front view of Jane Padded Heart Shape Bra Velvet Blue from The Foundation, featuring feminine plunge and delicate embroidery

Jane Padded Heart Shape Bra Velvet Blue

$174.00
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Greta Triangle Bralette Red
Greta Triangle Bralette Red

Greta Triangle Bralette Red

$99.95
Woman wearing a black lace bralette against a plain background
 
Woman wearing a black lace bralette against a plain background
Woman wearing a black lace bra and panties set against a plain background

Hanro Moments Soft Cup Bra Black

$174.95
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Hanro Moments Soft Cup Bra White
Hanro Moments Soft Cup Bra White

Hanro Moments Soft Cup Bra White

$174.95
Woman wearing a beige lace bra and panties set against a plain background
 
Woman wearing a beige lace bra and panties set against a plain background
Back view of a woman wearing a beige lace bra and panties set against a plain background

Hanro Moments Soft Cup Bra Beige

$174.95
Berlei Understate Wirefree Bra in Black—available at The Foundation, designed for everyday comfort and invisibility under clothes.
 
Berlei Understate Wirefree Bra in Black—available at The Foundation, designed for everyday comfort and invisibility under clothes.
Back view of the Berlei Understate Wirefree Bra in Black from The Foundation—features smoothing side bands and soft, secure straps.

Understate Wirefree Bra Black

$69.95
Berlei Understate Wirefree Bra in Nude—find this comfy, invisible-fit bra for A-E cups, perfect for everyday support.
 
Berlei Understate Wirefree Bra in Nude—find this comfy, invisible-fit bra for A-E cups, perfect for everyday support.
Close up of Berlei Understate Wirefree Bra Nude—soft neckline and smooth lines for seamless wear under clothes.

Understate Wirefree Bra Nude

$69.95
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Jane Padded Heart Shape Bra Bois De Rose
Jane Padded Heart Shape Bra Bois De Rose

Jane Padded Heart Shape Bra Bois De Rose

$174.00
front view of Model wearing the Brooklyn Plunge T-Shirt Bra Gardenia from The Foundation – soft tulle, lace detail, and deep V neckline.
 
front view of Model wearing the Brooklyn Plunge T-Shirt Bra Gardenia from The Foundation – soft tulle, lace detail, and deep V neckline.
Back view of the Brooklyn Plunge T-Shirt Bra Gardenia from The Foundation – double-lined mesh band and adjustable straps.
Save up to 30%

Brooklyn Plunge T-Shirt Bra Gardenia

$62.96 $89.95
Model wearing the Manhattan Non Wire Triangle Bra in Talc with lightly padded cups and graphic tulle finish.
 
Model wearing the Manhattan Non Wire Triangle Bra in Talc with lightly padded cups and graphic tulle finish.
Back view of the Manhattan Non Wire Triangle Bra in Talc, showcasing striped-look band and wireless fit.

Manhattan Non Wire Triangle Bra Talc

$69.95
Marie Jo Tom Heart Shaped Bra in Scarlet – front view – The Foundation
 
Marie Jo Tom Heart Shaped Bra in Scarlet – front view – The Foundation
Side angle of Tom Convertible Bra in Scarlet showing deep plunge – The Foundation

Tom Padded Heart Shaped Convertible Bra Scarlet

$158.00
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Jane Push Up Bra Black
Jane Push Up Bra Black

Jane Push Up Bra Black

$192.00
Front view of the Marie Jo Avero Heart Shape Contour Bra in Atlantic Blue, showing light denim blue tone with daisy strap detail.
 
Front view of the Marie Jo Avero Heart Shape Contour Bra in Atlantic Blue, showing light denim blue tone with daisy strap detail.
Three-quarter view of model wearing the Avero bra in Atlantic Blue, highlighting supportive plunge cups and soft sheen fabric.

Avero Heart Shape Contour Bra Atlantic Blue

$159.95
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Karma Wireless Triangle Bra Natural-Discontinued
Karma Wireless Triangle Bra Natural-Discontinued

Karma Wireless Triangle Bra Natural-Discontinued

$119.95
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Karma Wireless Triangle Bra Black-Discontinued
Karma Wireless Triangle Bra Black-Discontinued

Karma Wireless Triangle Bra Black-Discontinued

$119.95
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Comete Plunging Moulded Underwire Bra Black
Comete Plunging Moulded Underwire Bra Black

Comete Plunging Moulded Underwire Bra Black

$159.95

Every lingerie drawer needs a good plunge bra. Designed for low-cut tops and dresses, plunge bras create a flattering shape and enhanced cleavage—without compromising on support. Whether you're dressing for date night, a special event, or simply prefer a deeper neckline, a plunge style is your go-to.

At The Foundation, we offer plunge bras in a wide range of sizes and shapes to suit every body. From structured and padded styles to softer, seamless options, you’ll find a plunge bra that fits like it was made for you. Our most-loved brands include Chantelle, PrimaDonna, Marie Jo, Simone Perele, Passionata, Panache & more.

Need help finding your perfect fit? Our team of expert bra fitters is here to help at our stores in Neutral Bay, Rozelle, and Bowral. Book a free fitting and let us help you discover the plunge style that’s just right for you.

What is a plunge bra?

A plunge bra has a deep centre front and angled cups, making it ideal for low-cut tops or dresses. It creates cleavage without adding bulk and is designed to stay hidden under plunging necklines.

Can you wear plunge bras every day?

Yes! Many plunge bras are designed for daily comfort and support. They can give a flattering shape under most outfits—not just for special occasions.

Are plunge bras suitable for bigger busts?

Absolutely. We stock plunge bras for D cups and up, with side support panels and wider straps to keep you lifted and comfortable. Brands like PrimaDonna and Panache cater beautifully to fuller figures.

What’s the difference between a plunge bra and a push-up bra?

Plunge bras focus on shape and neckline, while push-up bras add padding to enhance cleavage. Some plunge styles have light padding, but they’re more about contouring than boosting volume.

Can I get fitted for a plunge bra at The Foundation?

Of course! Visit us in-store at Neutral Bay, Rozelle, or Bowral for a professional bra fitting. We’ll help you find the perfect plunge bra based on your size, shape, and style preferences.