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Plunge Bras

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Marie Jo Manyla Plunge Bra in Night Grey, featuring romantic lace and featherlight fabric for a second-skin feel.
 
Marie Jo Manyla Plunge Bra in Night Grey, featuring romantic lace and featherlight fabric for a second-skin feel.
Side view of the Manyla Plunge Bra Night Grey by Marie Jo, soft, supportive, and beautifully laced.

Manyla Plunge Bra Night Grey

$158.00
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Geneva Pearl Back Bra Black
Geneva Pearl Back Bra Black

Geneva Pearl Back Bra Black

$125.00
Front view of Marie Jo Junoo Wire Bra Black from The Foundation, featuring delicate Italian lace and sheer mesh for a feminine, modern look
 
Front view of Marie Jo Junoo Wire Bra Black from The Foundation, featuring delicate Italian lace and sheer mesh for a feminine, modern look
Model wearing Marie Jo Junoo Wire Bra Black from The Foundation, relaxed pose highlighting bold lace design and confidence-boosting fit

Junoo Wire Bra Black

$169.95
Front view of Reve 3D Plunge Contour Bra Black, showing smooth underwired cups and plunge neckline
 
Front view of Reve 3D Plunge Contour Bra Black, showing smooth underwired cups and plunge neckline
Flat lay of Reve 3D Plunge Contour Bra Black, highlighting t-shirt bra shape and scalloped lace trim

Reve 3D Plunge Contour Bra Black

$159.95
Model wearing Maddie Plunge T-Shirt Bra in Soft Pink with floral lace, showcasing a low plunge neckline.
 
Model wearing Maddie Plunge T-Shirt Bra in Soft Pink with floral lace, showcasing a low plunge neckline.
Back view of Maddie Plunge T-Shirt Bra Soft Pink showing striped tulle back and leotard-style support.

Maddie Plunge Tshirt Bra Soft Pink

$89.95
Front view of model wearing the Maddie Plunge T-Shirt Bra Black with floral lace and a low-cut neckline.
 
Front view of model wearing the Maddie Plunge T-Shirt Bra Black with floral lace and a low-cut neckline.
Back view of Maddie Plunge T-Shirt Bra Black showing striped tulle and leotard-style back design.

Maddie Plunge Tshirt Bra Black

$89.95
Front view of Panache Ana Plunge Bra in Black with lace detailing and plunge neckline—available now at The Foundation for fuller busts.
 
Front view of Panache Ana Plunge Bra in Black with lace detailing and plunge neckline—available now at The Foundation for fuller busts.
Side profile of the Ana Plunge Bra by Panache in Black, showing stretch lace and firm structure—shop supportive plunge bras at The Foundation.

Ana Plunge Bra Black

$99.95
PrimaDonna Devdaha Plunge Bra Velvet Blue – close-up of neon pink nasturtium embroidery on dark blue base.
 
PrimaDonna Devdaha Plunge Bra Velvet Blue – close-up of neon pink nasturtium embroidery on dark blue base.
Devdaha Plunge Bra in Velvet Blue – PrimaDonna lingerie with bold floral embroidery and padded cups, shown from side angle.

Devdaha Plunge Bra Velvet Blue

$199.95
Front view of Simone Perele Delice Full Cup Plunge Bra in Prestige Blue with embroidered cups and a flattering plunge neckline.
 
Front view of Simone Perele Delice Full Cup Plunge Bra in Prestige Blue with embroidered cups and a flattering plunge neckline.
Back view of the Delice Full Cup Plunge Bra in Prestige Blue showing U-shaped ballet back and fully adjustable wide straps.

Delice Full Cup Plunge Bra Prestige Blue

$139.95
Simone Perele Karma 3D Plunge Bra in natural worn with briefs, available at The Foundation—soft lace and second-skin comfort for daily wear.
 
Simone Perele Karma 3D Plunge Bra in natural worn with briefs, available at The Foundation—soft lace and second-skin comfort for daily wear.
Front view of Karma 3D Moulded Bra in natural by Simone Perele, featuring scalloped lace and breathable cups—shop now at The Foundation.

Karma 3D Moulded Plunge Bra Natural

$159.95
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Wish Push Up Triangle Bra Natural
Close up of Simone Pérèle Wish Push-Up Triangle Bra in Natural, featuring scalloped lace edges, plunge shape and memory foam cups.

Wish Push Up Triangle Bra Natural

$169.95
Front view of Elomi Charley Underwire Plunge Bra in Storm featuring metallic rose gold and grey stitching.
 
Front view of Elomi Charley Underwire Plunge Bra in Storm featuring metallic rose gold and grey stitching.
Model wearing Elomi Charley Plunge Bra in Storm, paired with matching briefs in a lifestyle setting.

Charley Underwire Plunge Bra Storm

$99.95

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.