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Cup B

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Close-up of Simone Perele Intrigue Half Cup Bra in Cinder Blue, revealing intricate blue floral embroidery and tulle detail, exclusive to The Foundation.
 
Close-up of Simone Perele Intrigue Half Cup Bra in Cinder Blue, revealing intricate blue floral embroidery and tulle detail, exclusive to The Foundation.
Confident model wearing Simone Perele Intrigue Half Cup Bra Cinder Blue, paired with matching briefs, chic and contemporary at The Foundation.

Intrigue Half Cup Bra Cinder Blue

$199.95
Model smiling in Anita Extreme Control Sports Bra Desert Nude, wirefree fit with ergonomic straps and piqué fabric, as styled by The Foundation.
 
Model smiling in Anita Extreme Control Sports Bra Desert Nude, wirefree fit with ergonomic straps and piqué fabric, as styled by The Foundation.
Close-up of Anita Extreme Control Sports Bra Desert Nude, showing seamless cups and supportive microfibre band from The Foundation.

Extreme Control Sports Bra Desert Nude

$140.95
Model wearing Anita Livia Wirefree Mastectomy Bra Haut, showing elegant lace and smooth fit, post-surgery comfort by The Foundation.
 
Model wearing Anita Livia Wirefree Mastectomy Bra Haut, showing elegant lace and smooth fit, post-surgery comfort by The Foundation.
Close-up of Anita Livia Wirefree Mastectomy Bra Haut, highlighting upper cup lace, glossy fabric, and cotton breast form pocket at The Foundation.

Livia Wirefree Mastectomy Haut

$71.00
Smiling model wearing Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, showing soft blush cotton and gentle bust shaping, from The Foundation.
 
Smiling model wearing Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, showing soft blush cotton and gentle bust shaping, from The Foundation.
Younger model in Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, demonstrating front press stud closure and full coverage fit, at The Foundation. Younger model in Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, demonstrating front press stud closure and full coverage fit, at The Foundation.

Comfi Cotton Wirefree Press Stud Front Open Bra Blush

$99.95
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
Model wearing Marie Jo Melipha Balcony Vertical Seam Bra in Vivid Green, showing off romantic lace details and supportive half-cup design.
 
Model wearing Marie Jo Melipha Balcony Vertical Seam Bra in Vivid Green, showing off romantic lace details and supportive half-cup design.
Flat lay of vivid green Melipha Balcony Bra with underwire support, showcasing vertical seams and floral lace.

Melipha Balcony Vertical Seam Bra Vivid Green

$174.00
Front view of Saga Half Cup Bra Lipstick from The Foundation, showing vibrant lipstick red colour and detailed guipure lace
 
Front view of Saga Half Cup Bra Lipstick from The Foundation, showing vibrant lipstick red colour and detailed guipure lace
Saga Half Cup Bra Lipstick from The Foundation displayed flat, highlighting demi cup shape and beautiful embroidered details

Saga Half Cup Bra Lipstick

$149.95
Side angle of Fleurs Half Cup Balcony Bra Leo Print from The Foundation, showcasing vertical seam and supportive leotard back
 
Side angle of Fleurs Half Cup Balcony Bra Leo Print from The Foundation, showcasing vertical seam and supportive leotard back
Front view of model in Fleurs Half Cup Balcony Bra Leo Print from The Foundation, highlighting demi neckline and transparent cups

Fleurs Half Cup Balcony Bra Leo Print

$149.00
Model wearing Jane Half Padded Balcony Bra Velvet Blue from The Foundation, showing delicate embroidery and elegant blue lace
 
Model wearing Jane Half Padded Balcony Bra Velvet Blue from The Foundation, showing delicate embroidery and elegant blue lace
Front view of Jane Half Padded Balcony Bra Velvet Blue from The Foundation, highlighting half padded cups and luxurious embroidered details

Jane Half Padded Balcony Bra Velvet Blue

$183.00
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
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
Front view of the Maddie Half Cup Memory Bra in Soft Pink by Passionata, featuring floral lace and memory foam—available at The Foundation Australia.
 
Front view of the Maddie Half Cup Memory Bra in Soft Pink by Passionata, featuring floral lace and memory foam—available at The Foundation Australia.
Back view of the Maddie Memory Foam Bra Soft Pink by Passionata, showcasing leotard back and adjustable straps—shop this piece at The Foundation.

Maddie Half Cup Memory Bra Soft Pink

$79.95
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
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
Front view of The Foundation’s Champs Elysees Half Cup Balcony Bra in Black, showcasing sheer embroidered tulle and unlined cups.
 
Front view of The Foundation’s Champs Elysees Half Cup Balcony Bra in Black, showcasing sheer embroidered tulle and unlined cups.
close up of the Champs Elysees Balcony Bra in Black by The Foundation, featuring detailed French lace and demi-cup design.

Champs Elysees Half Cup Balcony Bra Black

$169.00
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Hedona Minimiser Bra Black
Hedona Minimiser Bra Black

Hedona Minimiser Bra Black

$139.00
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
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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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 the Fleurs Half Cup Balcony Bra in Tender Yellow – sheer floral embroidery and delicate French lingerie.
 
Front view of the Fleurs Half Cup Balcony Bra in Tender Yellow – sheer floral embroidery and delicate French lingerie.
Back view of the Fleurs Balcony Bra in Tender Yellow, U-shaped back and gold-ring adjustable straps.

Fleurs Half Cup Balcony Bra In Tender Yellow

$144.00

Designed to Fit. Made to Feel Good. Explore Our Bra Cup B Collection

When you’re a B-cup, you’re right in that sweet spot—but let’s face it, not all bras get it right. At The Foundation, we believe that every cup size deserves thoughtful support and everyday luxury. That’s why our Bra Cup B collection is packed with perfectly-fitting styles that don’t compromise on comfort, shape or beauty.

From everyday essentials to chic, fashion-forward pieces, each bra is handpicked from trusted international brands like Chantelle, Simone Perele, PrimaDonna and more. Think contouring fits, wireless ease, and soft fabrics that move with you—no pinching, no padding drama, just bras you’ll actually want to wear.

Not sure which B-cup size or style is right for you? View our size chart or book a fitting with our expert team in-store for guidance you can trust.

Feel supported. Feel beautiful. Find your perfect match in our B-cup bra collection today.