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Cup B

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Model wearing Intrigue Half Cup Bra Disco Pink by Simone Perele, close-up showing pink bouquet embroidery from The Foundation.
 
Model wearing Intrigue Half Cup Bra Disco Pink by Simone Perele, close-up showing pink bouquet embroidery from The Foundation.
Flat lay of Intrigue Half Cup Bra Disco Pink by Simone Perele, highlighting unlined cups and scalloped edges, available at The Foundation.

Intrigue Half Cup Bra Disco Pink

$199.95
Front view of Simone Perele Saga Half Cup Bra in Pink Nude, featuring sheer embroidery and lace—luxury lingerie at The Foundation.
 
Front view of Simone Perele Saga Half Cup Bra in Pink Nude, featuring sheer embroidery and lace—luxury lingerie at The Foundation.
Simone Perele Saga Half Cup Bra Pink Nude, intricate guipure lace and tulle details, available at The Foundation.

Saga Half Cup Bra Pink Nude

$149.95
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 Pila Covering Spacer Bra in Sailing Blue, showcasing its smooth 3D cups and clean neckline for a t-shirt-ready finish.
 
Model wearing the Pila Covering Spacer Bra in Sailing Blue, showcasing its smooth 3D cups and clean neckline for a t-shirt-ready finish.
Side profile highlighting the sheer tulle overlay on the molded spacer cups, offering a stylish and breathable layering effect.

Pila Covering Spacer Bra Sailing Blue/Sailor

$79.95
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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

Reve 3D Plunge Contour Bra Sakura Pink

$169.95
Front view of model wearing Halo Lace Strapless Bra Black, showcasing bandeau style and delicate lace texture
 
Front view of model wearing Halo Lace Strapless Bra Black, showcasing bandeau style and delicate lace texture
Halo Lace Strapless Bra - Non Padded by Wacoal

Halo Lace Strapless Bra Black

From $69.95
Close up of The Foundation’s Amourette Charm Non Wire Moulded Bra in Rust, showing the flattering shape and lace detailing.
 
Close up of The Foundation’s Amourette Charm Non Wire Moulded Bra in Rust, showing the flattering shape and lace detailing.
Side view of The Foundation's Amourette Charm Bra in Rust, featuring smooth lace cups and supportive straps.

Amourette Charm Non Wire Moulded Bra Rust

$59.95
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
side view of the Pila Spacer Bra in Love Pink/Peach featuring soft tulle and full coverage – The Foundation.
 
side view of the Pila Spacer Bra in Love Pink/Peach featuring soft tulle and full coverage – The Foundation.
front view of Model wearing the Pila Spacer Bra in Love Pink/Peach, showcasing a full-coverage, breathable fit – The Foundation.
Save up to 30%

Pila Covering Spacer Bra Love Pink/Peach

$55.96 $79.95
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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
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
Model wearing Simone Pérèle Delice Strapless Bra in Moonlight from The Foundation, featuring smooth microfibre cups and embroidered tulle detailing. front view
 
Model wearing Simone Pérèle Delice Strapless Bra in Moonlight from The Foundation, featuring smooth microfibre cups and embroidered tulle detailing. front view
Model wearing Simone Pérèle Delice Strapless Bra in Moonlight from The Foundation, featuring smooth microfibre cups and embroidered tulle detailing. back view

Delice Strapless Bra Moonlight - Discontinued

$159.95
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Intrigue Half Cup Bra Opera Red
Intrigue Half Cup Bra Opera Red

Intrigue Half Cup Bra Opera Red

$199.95
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Endurance Wired Sports Bra Dusty Rose
Endurance Wired Sports Bra Dusty Rose

Endurance Wired Sports Bra Dusty Rose

$112.95
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Juliane Balcony Vertical Seam Half Cup Bra Black
Juliane Balcony Vertical Seam Half Cup Bra Black

Juliane Balcony Vertical Seam Half Cup Bra Black

$197.00
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San Angel Full Cup Bra Water Blue
San Angel Full Cup Bra Water Blue

San Angel Full Cup Bra Water Blue

$192.00
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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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Avero Padded Heart Shape Bra Ivory Petal
Avero Padded Heart Shape Bra Ivory Petal

Avero Padded Heart Shape Bra Ivory Petal

$174.00
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Milao Padded Heartshape Bra Shadow Grey
Milao Padded Heartshape Bra Shadow Grey

Milao Padded Heartshape Bra Shadow Grey

$139.00
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Deauville Full Cup Bra Iconic Blue
Deauville Full Cup Bra Iconic Blue

Deauville Full Cup Bra Iconic Blue

$192.00
Model wearing Wacoal Sensu Lace Underwire Bra Dark Azure showing full cup fit and beautiful blue stretch lace.
 
Model wearing Wacoal Sensu Lace Underwire Bra Dark Azure showing full cup fit and beautiful blue stretch lace.
Side angle of model in Wacoal Sensu Lace Underwire Bra and briefs set in Dark Azure highlighting lace details and comfortable fit.

Sensu Lace Underwire Bra Dark Azure

$94.95
Model smiling in Anita Jana Support Bra Schwarz Black, showing wirefree cotton fit and soft stretch comfort, featured at The Foundation.
 
Model smiling in Anita Jana Support Bra Schwarz Black, showing wirefree cotton fit and soft stretch comfort, featured at The Foundation.
Studio shot of Anita Jana Support Bra Schwarz Black on model, highlighting high coverage cups and wide straps, available at The Foundation.

Jana Support bra Shwarz Black

$135.95
Model in Anita Jana Support Bra Deep Sand, front view showing soft cotton piqué, natural beige tone, and supportive coverage, available at The Foundation.
 
Model in Anita Jana Support Bra Deep Sand, front view showing soft cotton piqué, natural beige tone, and supportive coverage, available at The Foundation.
Close-up of Anita Jana Support Bra Deep Sand, highlighting wide cushioned straps and seamless cotton comfort from The Foundation.

Jana Support bra Deep Sand

$135.95

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.