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Plunge Bras

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Model wearing Janira Greta Bralette in Black, featuring scalloped lace neckline and wireless support.
 
Model wearing Janira Greta Bralette in Black, featuring scalloped lace neckline and wireless support.
Side view of Janira Greta Bralette in Black showing wide lace band and adjustable straps.
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Essentiel Multi Strapless Bra Peau Rose
Model wearing Essentiel Multi Strapless Bra Peau Rose, front close-up showing bandeau and moulded cup design.
Model in Passionata Brooklyn Plunge T-Shirt Bra in Black from The Foundation, with low centre plunge, foam underwire cups, and smooth lace detail. front view
 
Model in Passionata Brooklyn Plunge T-Shirt Bra in Black from The Foundation, with low centre plunge, foam underwire cups, and smooth lace detail. front view
Model in Passionata Brooklyn Plunge T-Shirt Bra in Black from The Foundation, with low centre plunge, foam underwire cups, and smooth lace detail. back view
Model in Chantelle Parisian Allure Covering Bra in Nude from The Foundation, showing semi-sheer cups, low plunge, and racerback-friendly straps.
 
Model in Chantelle Parisian Allure Covering Bra in Nude from The Foundation, showing semi-sheer cups, low plunge, and racerback-friendly straps.
Model in Chantelle Parisian Allure Covering Bra in Nude from The Foundation, showing semi-sheer cups, low plunge, and racerback-friendly straps. back view
Model wearing Chantelle Parisian Allure Covering Bra in White from The Foundation, featuring semi-sheer cups, plunge neckline, and racerback straps.
 
Model wearing Chantelle Parisian Allure Covering Bra in White from The Foundation, featuring semi-sheer cups, plunge neckline, and racerback straps.
Model wearing Chantelle Parisian Allure Covering Bra in White from The Foundation, featuring semi-sheer cups, plunge neckline, and racerback straps. back view
Front view of Marie Jo Tom Mini Padded Plunge Bra in Empire Green, featuring signature circle detailing and double straps
 
Front view of Marie Jo Tom Mini Padded Plunge Bra in Empire Green, featuring signature circle detailing and double straps
Side angle of Tom Mini Padded Plunge Bra in dark green, highlighting flirty plunge shape and textured fabric
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Tiernie Underwire Plunge Bra Sahara
Tiernie Underwire Plunge Bra Sahara
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Milao Padded Heartshape Bra Shadow Grey
Milao Padded Heartshape Bra Shadow Grey
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Avero Padded Heart Shape Bra Ivory Petal
Avero Padded Heart Shape Bra Ivory Petal
Plus-size model wearing the Elomi Charley Underwire Plunge Bra Jet Black, showing full cup fit and delicate stretch lace design.
 
Plus-size model wearing the Elomi Charley Underwire Plunge Bra Jet Black, showing full cup fit and delicate stretch lace design.
Flat lay of Elomi Charley Underwire Plunge Bra Jet Black, close-up of floral lace embroidery and light mesh details.
Confident woman in Prima Donna San Angel Half Padded Plunge Bra Peacock Feather, peacock blues and greens glowing against black, styled by The Foundation.
 
Confident woman in Prima Donna San Angel Half Padded Plunge Bra Peacock Feather, peacock blues and greens glowing against black, styled by The Foundation.
Prima Donna San Angel Plunge Bra in Peacock Feather, dramatic plunge and vibrant feather lace, detailed embroidery captured by The Foundation.
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Reve 3D Plunge Contour Bra Sakura Pink
Front view of Reve 3D Plunge Contour Bra Sakura Pink on model, featuring seamless plunge neckline and underwire support
Model lounging in Ana Plunge Bra Vintage, showing elegant lace and bead detail.
 
Model lounging in Ana Plunge Bra Vintage, showing elegant lace and bead detail.
Front view of Ana Plunge Bra Vintage worn by model, highlighting feminine stretch lace and satin bow.
Chantelle Festivité Plunging T-Shirt Bra in Golden Beige – front model view, photographed for The Foundation
 
Chantelle Festivité Plunging T-Shirt Bra in Golden Beige – front model view, photographed for The Foundation
Golden Beige Chantelle plunge bra – angled side profile, captured for The Foundation
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.
Front view of Elomi Matilda Underwire Plunge Bra in Pearl Blush featuring signature embroidery and low plunge neckline.
 
Front view of Elomi Matilda Underwire Plunge Bra in Pearl Blush featuring signature embroidery and low plunge neckline.
Back view of Elomi Matilda Plunge Bra in Pearl Blush showing racerback-compatible straps and smooth finish.
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Embrace Lace Soft Cup Bra Angel Wing/Rose Dust
Embrace Lace Soft Cup Bra Angel Wing/Rose Dust
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Abellia Non Wired Bralette Gardenia
Abellia Non Wired Bralette Gardenia
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Abellia Plunge Push Up Bra Gardenia
Abellia Plunge Push Up Bra Gardenia
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Subtile 3D Plunge Contour Bra Peau Rose
Subtile 3D Plunge Contour Bra Peau Rose
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Subtile 3D Plunge Contour Bra Black
Subtile 3D Plunge Contour Bra Black
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Perfectly Fit Lightly Lined T-Shirt Bra Cedar
Perfectly Fit Lightly Lined T-Shirt Bra Cedar
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Perfectly Fit Push Up Plunge Bra Black
Perfectly Fit Push Up Plunge Bra Black
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Greta Triangle Bralette Fuchsia
Greta Triangle Bralette Fuchsia

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.