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Plunge Bras

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Front view of Chantelle Norah Chic Plunge T-Shirt Bra Black on model featuring graphic lace and comfortable plunge fit.
 
Front view of Chantelle Norah Chic Plunge T-Shirt Bra Black on model featuring graphic lace and comfortable plunge fit.
Chantelle Norah Chic Plunge T-Shirt Bra Black laid flat showing chic print lace and eco-friendly design.

Norah Chic Plunge T-Shirt Bra Black

$139.00
Front view of Chantelle Norah Chic Plunge T-Shirt Bra Dusky Pink on model featuring chic lace and flattering plunge neckline.
 
Front view of Chantelle Norah Chic Plunge T-Shirt Bra Dusky Pink on model featuring chic lace and flattering plunge neckline.
Flat lay of Chantelle Norah Chic Plunge T-Shirt Bra Dusky Pink laid flat showing modern lace and eco-friendly design.

Norah Chic Plunge T-Shirt Bra Dusky Pink

$139.00
The Foundation’s Basic Invisible Memory Bra in Skin shown front-on, featuring smooth memory foam cups and a seamless fit.
 
The Foundation’s Basic Invisible Memory Bra in Skin shown front-on, featuring smooth memory foam cups and a seamless fit.
Back view of The Foundation’s Chantelle Memory Bra in Skin, showing supportive straps and a flat back band for all-day comfort.

Basic Invisible Covering Memory Bra Skin

$129.00
Calvin Klein Liquid Touch Push Up Plunge Bra in Bare, worn by model—available at The Foundation for a seamless lift with lace trim and microfibre fabric.
 
Calvin Klein Liquid Touch Push Up Plunge Bra in Bare, worn by model—available at The Foundation for a seamless lift with lace trim and microfibre fabric.
Back view of full-body shot of Calvin Klein's Liquid Touch Push Up Plunge Bra in Bare with matching bottoms—supportive and smooth, from The Foundation.

Liquid Touch Push Up Plunge Bra Bare

$89.95
Marie Jo Tom Padded Heart Shaped Bra in Cafe Latte – front view – The Foundation
 
Marie Jo Tom Padded Heart Shaped Bra in Cafe Latte – front view – The Foundation
Side view of Tom Convertible Bra in Cafe Latte with plunge neckline – The Foundation

Tom Padded Heart Shaped Convertible Bra Cafe Latte

$158.00
Front view of Calvin Klein’s Liquid Touch Push Up Plunge Bra in Black from The Foundation—plunge neckline with luxe microfibre and lace trim.
 
Front view of Calvin Klein’s Liquid Touch Push Up Plunge Bra in Black from The Foundation—plunge neckline with luxe microfibre and lace trim.
Back view of Liquid Touch Push Up Plunge Bra in Black by Calvin Klein—adjustable straps and hook closure shown, available at The Foundation.

Liquid Touch Push Up Plunge Bra Black

$89.95
Front view of LingaDore Daily Smooth Gel Push Up Bra in Blush featuring soft blush colour and natural lift.
 
Front view of LingaDore Daily Smooth Gel Push Up Bra in Blush featuring soft blush colour and natural lift.
Close-up of LingaDore Daily Smooth Gel Push Up Bra in Blush on model, showing lace detail and seamless finish.

Daily Smooth Gel Push Up Bra Blush

$84.95
Close-up of Calvin Klein Perfectly Fit T-Shirt Bra Bare in nude, featuring seamless moulded cups, adjustable straps, and underwire support.
 
Close-up of Calvin Klein Perfectly Fit T-Shirt Bra Bare in nude, featuring seamless moulded cups, adjustable straps, and underwire support.
Model wearing Calvin Klein Perfectly Fit T-Shirt Bra Bare, a smooth nude bra with supportive underwire and microfibre fabric.

Perfectly Fit Lightly Lined T-Shirt Bra Bare

$99.95
Sexy Mesh Bra, Sexy bra for big cups. Teal Green sexy Bra. Plunge underwire bra, freya plunge bra for big boobs
 
Sexy Mesh Bra, Sexy bra for big cups. Teal Green sexy Bra. Plunge underwire bra, freya plunge bra for big boobs
Loveland UW Plunge Bra Bombshell Teal

Loveland UW Plunge Bra Bombshell Teal

$89.95
Chantelle Pulp Lush Plunge T-Shirt Bra in Black/Soft Pink, graphic floral lace, blush lining, supportive spacer foam cups.
 
Chantelle Pulp Lush Plunge T-Shirt Bra in Black/Soft Pink, graphic floral lace, blush lining, supportive spacer foam cups.
Front detail of Chantelle Lush Plunge T-Shirt Bra Black/Soft Pink, bold graphic lace, blush lining, supportive full cup.

Lush Plunge T-Shirt Bra Black/Soft Pink

$129.00
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Jane Push Up Bra Natural
Side angle of model in Jane Push Up Bra Natural from The Foundation, showcasing adjustable straps and elegant lace details

Jane Push Up Bra Natural

$192.00
Nyks Soft Balcony Bra in Sapphire—lace detailing and flattering shape for fuller busts.
 
Nyks Soft Balcony Bra in Sapphire—lace detailing and flattering shape for fuller busts.
Close-up of Nyks Soft Balcony Bra in Sapphire, lace and support structure

Nyks Soft Balcony Bra Sapphire

$129.95
Model wearing Janira Greta Bralette in Dune, showing scalloped lace detail and fuller coverage.
 
Model wearing Janira Greta Bralette in Dune, showing scalloped lace detail and fuller coverage.
Back view of Janira bralette with wide lace back and soft wireless support.

Greta Bralette with Lace Dune

$99.95
Model wearing Calvin Klein Perfectly Fit T-Shirt Bra Black, a seamless underwire bra with soft moulded cups, adjustable straps, and smooth finish.
 
Model wearing Calvin Klein Perfectly Fit T-Shirt Bra Black, a seamless underwire bra with soft moulded cups, adjustable straps, and smooth finish.
Back view of model in Calvin Klein Perfectly Fit T-Shirt Bra Black, showing adjustable straps and logo detail on the band.

Perfectly Fit Lightly Lined T-Shirt Bra Black

$99.95
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Jane Padded Heart Shape Bra Natural
Front view of Marie Jo Jane Padded Heart Shape Bra in Natural – The Foundation

Jane Padded Heart Shape Bra Natural

$174.00
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Jane Padded Heart Shape Bra Black
Marie Jo Jane Heart Shape Contour Bra in black, showing delicate embroidery and lightly padded cups for a smooth, rounded silhouette.

Jane Padded Heart Shape Bra Black

$174.00
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Devdaha Plunge Bra Very Berry
Devdaha Plunge Bra Very Berry

Devdaha Plunge Bra Very Berry

$199.95
Model wearing Marie Jo Avero Padded Heart Shape Bra Scarlet with denim jacket showing heart-shaped cups and signature red check.
 
Model wearing Marie Jo Avero Padded Heart Shape Bra Scarlet with denim jacket showing heart-shaped cups and signature red check.
Close up of Marie Jo Avero Padded Heart Shape Bra Scarlet highlighting sleek check fabric and romantic daisy straps.

Avero Padded Heart Shape Bra Scarlet

$167.00
Model wearing Freya Loveland UW Plunge Bra Bombshell Black, art deco boudoir lace with ribbon embroidery, sexy plunge neckline.
 
Model wearing Freya Loveland UW Plunge Bra Bombshell Black, art deco boudoir lace with ribbon embroidery, sexy plunge neckline.
Front view of Freya Loveland Plunge Bra Bombshell Black styled with matching briefs and suspender belt, art deco lace and gemstone charm.

Loveland UW Plunge Bra Bombshell Black

$89.95
Model wearing Freya Loveland UW Plunge Bra in Deep Emerald, green mesh cups with metallic floral embroidery, low centre front.
 
Model wearing Freya Loveland UW Plunge Bra in Deep Emerald, green mesh cups with metallic floral embroidery, low centre front.
Flat lay of Freya Loveland Plunge Bra Deep Emerald, detailed mesh cups, metallic floral embroidery, gold gemstone charm at centre.

Loveland UW Plunge Bra Deep Emerald

$89.95
Model wearing the Chantelle Festivité Plunging T-Shirt Bra in Noir – photographed for The Foundation
 
Model wearing the Chantelle Festivité Plunging T-Shirt Bra in Noir – photographed for The Foundation
Model wearing the Chantelle Festivité Plunging T-Shirt Bra in Noir – photographed for The Foundation. close up

Festivite Plunging T Shirt Bra Noir

$149.00
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Perfectly Fit Push Up Plunge Bra Cedar
Perfectly Fit Push Up Plunge Bra Cedar

Perfectly Fit Push Up Plunge Bra Cedar

$99.95
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Greta Bralette with Lace White

$99.95
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Greta Triangle Bralette Dune
Greta Triangle Bralette Dune

Greta Triangle Bralette Dune

$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.