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Cup B

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Berlei electrify mesh underwire sports bra for women in black YYN7
 
Berlei electrify mesh underwire sports bra for women in black YYN7
Berlei electrify mesh underwire sports bra for women in black YYN7 cross back straps

Electrify Mesh Underwire Sports Bra Black

$64.95
Front view of Chantelle Waltz Half Cup Balcony Bra in Black with floral Leavers lace and demi, low-cut neckline
 
Front view of Chantelle Waltz Half Cup Balcony Bra in Black with floral Leavers lace and demi, low-cut neckline
Side profile of Waltz Half Cup Balcony Bra Black, showing split adjustable strap and elegant lace detail

Waltz Half Cup Balcony Bra Black

$149.00
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Champs Elysees Half Cup Balcony Bra Eden Green
Champs Elysees Half Cup Balcony Bra Eden Green

Champs Elysees Half Cup Balcony Bra Eden Green

$169.00
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Champs Elysees Half Cup Balcony Bra Black Jewels
Champs Elysees Half Cup Balcony Bra Black Jewels

Champs Elysees Half Cup Balcony Bra Black Jewels

$169.00
chantelle Romance Wirefree Support T-Shirt Bra Black, non wire t-shirt bra for large cups, chantelle wirefree t-shirt bra, wirefrr bra for large cups
 
chantelle Romance Wirefree Support T-Shirt Bra Black, non wire t-shirt bra for large cups, chantelle wirefree t-shirt bra, wirefrr bra for large cups
Romance Wirefree Support T-Shirt Bra Black

Romance Wirefree Support T-Shirt Bra Black

$139.00
Panache Endurance Sports Bra in Black front view, showing smooth cups and V-neckline.
 
Panache Endurance Sports Bra in Black front view, showing smooth cups and V-neckline.
front view of Model wearing the Endurance Wired Sports Bra in Black highlighting the sporty cut and fit.

Endurance Wired Sports Bra Black

$112.95
Woman wearing the Electrify Mesh Underwire Sports Bra in Soft Powder, front view with sports styling, available at The Foundation.
 
Woman wearing the Electrify Mesh Underwire Sports Bra in Soft Powder, front view with sports styling, available at The Foundation.
Active woman outdoors in the Electrify Mesh Underwire Sports Bra Soft Powder, highlighting comfort and support from The Foundation.

Electrify Mesh Underwire Sports Bra Soft Powder

$64.95
Confident model in Anita Extreme Control Sports Bra Black, showing wirefree sculpted fit and maximum support, photographed by The Foundation.
 
Confident model in Anita Extreme Control Sports Bra Black, showing wirefree sculpted fit and maximum support, photographed by The Foundation.
Close-up of Anita Extreme Control Sports Bra Black, highlighting high neckline and ergonomic straps, product image from The Foundation.

Extreme Control Sports Bra Black

$140.95
Berlei Barely There Contour Bra in Black, classic t-shirt bra with seamless contoured cups, worn by model, available at The Foundation.
 
Berlei Barely There Contour Bra in Black, classic t-shirt bra with seamless contoured cups, worn by model, available at The Foundation.
Side view of Berlei Barely There Contour Bra Black, highlighting smooth silhouette and comfy straps, The Foundation lingerie.

Barely There Contour Bra Black

$69.95
Front view of Jhana Balcony Bra Black from The Foundation, featuring striking graphic lace and demi cup shape for a modern, wow-factor look
 
Front view of Jhana Balcony Bra Black from The Foundation, featuring striking graphic lace and demi cup shape for a modern, wow-factor look
Model wearing Jhana Balcony Bra Black from The Foundation, angled front view highlighting low-cut demi cup and stunning lace design

Jhana Balcony Bra Black

$189.95
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Jane Padded Balcony Bra Natural
Side angle of Model wearing the Jane Padded Balcony Bra in Natural, showing lace detailing beneath the bust and smooth contour cups.

Jane Padded Balcony Bra Natural

$174.00
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Jane Padded Balcony Bra Black
Jane Padded Balcony Bra Black

Jane Padded Balcony Bra Black

$174.00
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

Tom Mini Padded Plunge Bra Empire Green

$158.00
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
Model wearing Berlei Barely There Contour Bra Skin – seamless, comfy t-shirt bra with full-cup support.
 
Model wearing Berlei Barely There Contour Bra Skin – seamless, comfy t-shirt bra with full-cup support.
Berlei Barely There Bra in Skin – side view showing cushioned straps and a smooth silhouette.

Barely There Contour Bra Skin

$69.95
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Jane Half Padded Balcony Bra Bois De Rose
Jane Half Padded Balcony Bra Bois De Rose

Jane Half Padded Balcony Bra Bois De Rose

$183.00
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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.

Essentiel Multi Strapless Bra Peau Rose

$139.95
Side profile of the Caresse Soft Cup Bralette showing wireless comfort—The Foundation
 
Side profile of the Caresse Soft Cup Bralette showing wireless comfort—The Foundation
Back view of Caresse Soft Cup Bra with scalloped lace trim and adjustable straps—The Foundation

Caresse Soft Cup Bra Black

$139.95
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

Festivite Plunging T Shirt Bra Golden Beige

$149.00
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Poesie Half Cup Bra Lily
Poesie Half Cup Bra Lily

Poesie Half Cup Bra Lily

$169.00
A woman modeling a black strapless bandeau bra and matching black underwear against a solid gray studio background.
 
A woman modeling a black strapless bandeau bra and matching black underwear against a solid gray studio background.
Perfectly Fit Strapless Demi Bra Black

Perfectly Fit Strapless Demi Bra Black

$99.95
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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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Abellia Underwire Full Cup Bra Gardenia
Abellia Underwire Full Cup Bra Gardenia

Abellia Underwire Full Cup Bra Gardenia

$89.95
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Embrace Lace Plunge Underwire Bra Angel Wing/Rose Dust
Embrace Lace Plunge Underwire Bra Angel Wing/Rose Dust

Embrace Lace Plunge Underwire Bra Angel Wing/Rose Dust

$89.95

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.