B Cup Bras

Find the perfect B Cup Bras designed to fit from 32B size to 40B.

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Woman wearing black wireless shaping bra with contoured cups and supportive seamless fit

Back view of black wireless shaping bra with adjustable straps and hook-and-eye closure

Truekind® Supportive Comfort Wireless Shaping Bra

$55.00

Or 4 payments of

$9.50

with

15231

Black

Back view of woman wearing a black wireless shaping bra featuring adjustable straps and smooth back coverage.

Shapermint Essentials Everyday Comfort Straps Wireless Shaping Bra

$48.00

Or 4 payments of

$8.25

with

15016

Black

Truekind® Everyday Comfort Front Closure Bra

$50.00

Or 4 payments of

$8.75

with

318

Black

Back view of black wireless bra with hook and eye closure and wide adjustable straps

Shapermint Essentials Sweetheart Wireless Contour Bra

$52.00

Or 4 payments of

$9.00

with

9842

Black

Side view of black strapless bandeau bra with smooth seamless design

Truekind® Convertible Strapless Bandeau Bra

$50.00

Or 4 payments of

$8.75

with

9678

Black

Back and side view of light grey cotton bralette with wide straps and smooth finish

Truekind® Comfort Cotton Bralette

$40.00

Or 4 payments of

$7.00

with

104

Black

Back view of black wireless bra with wide straps and hook-and-eye closure

Truekind® Daily Comfort Wireless Shaper Bra

$44.00

Or 4 payments of

$7.50

with

15025

Black

Back view of black V-back bralette with seamless construction and full coverage support

Truekind® Everyday Comfort V-Neck Bralette

$40.00

Or 4 payments of

$7.00

with

828

Black

Front view of beige seamless wireless bralette with wide supportive straps and smoothing underband

Front view of white wireless bralette with lightweight support and seamless sculpting design

Truekind® Everyday Throw-on Wireless Bralette

$34.00

Or 4 payments of

$5.00

with

2568

Chai

Front view of heather gray seamless sports bra with scoop neck and wide supportive band

Back view of heather gray seamless racerback sports bra with breathable knit fabric

Truekind® Seamless Racerback Sports Bra

$38.00

Or 4 payments of

$6.50

with

1001

Heather Gray with Black Trim

Woman wearing nude wireless posture bra with front hook-and-eye closure and wide support straps

Back of nude posture support bra showing X-shaped reinforcement for targeted back support

Truekind® Daily Comfort Posture Bra

$50.00

Or 4 payments of

$8.75

with

352

Chai

Front close-up of nude wireless bra with faux wire support and smooth molded cups

Before and after comparison showing lift and shaping improvement with wireless T-shirt bra

Truekind® Wireless Lift T-Shirt Bra

$55.00

Or 4 payments of

$9.50

with

100

Chai

Comfort Revolution ComfortFlex Fit Shaping Wirefree Bra from Bali

Bali® Comfort Revolution ComfortFlex Fit Shaping Wirefree Bra

$48.00

Or 4 payments of

$7.50

with

1069

White

Front view of black wirefree full coverage bra with V-neckline and smooth shaping fit

Back view of black seamless full coverage bra with wide straps and posture support design

Curveez® Full Coverage 7 Wonders Bra

$40.00

Or 4 payments of

$9.00

with

168

Black

Bali White Ultra Light Illusion Neckline Underwire Bra

Bali beige Ultra Light Illusion Neckline Underwire Bra

Bali® One Smooth U® Ultra Light Illusion Neckline Underwire Bra

$48.00

Or 4 payments of

$7.50

with

159

White

Bali Bra Black Comfort Revolution Smart Sizes

Bali Bra losed in the back with a 3 row hook-and-eye

Bali® Comfort Revolution Smart Sizes Wirefree Bra

$44.00

Or 4 payments of

$6.50

with

144

Black

Maternity Wirefree Nursing Bra Adjustable straps

Shapermint Essentials Embrace Maternity Wirefree Nursing Bra

$50.00

Or 4 payments of

$3.75

with

Black

Black seamless wireless bra with supportive molded cups and side smoothing fit

Shapermint Essentials Smoothing Comfort Wireless Bra

$55.00

Or 4 payments of

$7.50

with

486

Chai

Front view of black seamless wireless bralette with wide straps and smoothing side coverage

Front view of seamless wireless bralette in neutral tone with soft fabric and supportive lift

Shapermint Essentials Easy-On Wireless Bralette

$34.00

Or 4 payments of

$4.75

with

2568

Black

Close-up front view of nude seamless wirefree bra with smooth shaping fabric

Plus size woman wearing black seamless wireless bra with full coverage and sculpting support

Bali® EasyLite Seamless Wirefree Bra

$48.00

Or 4 payments of

$7.50

with

327

Sandshell

You've viewed 20 of 31 products

Best B Cup Bras

Finding the right fit for a B cup can be surprisingly tricky, but this collection is here to help you take the guesswork out of bra shopping. Specially designed for comfort, shape, and style, our B-cup bra collection includes sizes from 30B to 40B. No gaps, no slipping straps — just effortless support and a flattering fit.

Created for women with moderate busts and petite frames, these bras offer a balance of gentle shaping and all-day comfort. From soft bralettes to structured underwire styles, you’ll find the perfect bra to match your body and preferences.

B Cup Bras

Truekind® Supportive Comfort Wireless Shaping Bra

Shapermint Essentials Everyday Comfort Straps Wireless Shaping Bra

Truekind® Everyday Comfort Front Closure Bra

Shapermint Essentials Sweetheart Wireless Contour Bra

Truekind® Convertible Strapless Bandeau Bra

Truekind® Comfort Cotton Bralette

Truekind® Daily Comfort Wireless Shaper Bra

Truekind® Everyday Comfort V-Neck Bralette

Truekind® Everyday Throw-on Wireless Bralette

Truekind® Seamless Racerback Sports Bra

Truekind® Daily Comfort Posture Bra

Truekind® Wireless Lift T-Shirt Bra

Bali® Comfort Revolution ComfortFlex Fit Shaping Wirefree Bra

Curveez® Full Coverage 7 Wonders Bra

Bali® One Smooth U® Ultra Light Illusion Neckline Underwire Bra

Bali® Comfort Revolution Smart Sizes Wirefree Bra

Shapermint Essentials Embrace Maternity Wirefree Nursing Bra

Shapermint Essentials Smoothing Comfort Wireless Bra

Shapermint Essentials Easy-On Wireless Bralette

Bali® EasyLite Seamless Wirefree Bra

Best B Cup Bras

Frequently Asked Questions

What is a B cup bra size, and how is it measured?

What do 30B, 32B, 34B, 36B, 38B, and 40B mean in bra sizing?

Is a B cup considered small, average, or large?

What are the best bra styles for B cup sizes?

Shapermint Info

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