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30C Bras

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How Perfect Wire Free T-Shirt Bra: Sand
Best Seller Up to DDD cup
Wacoal 852189

How Perfect Wire Free T-Shirt Bra

$72
Embrace LaceĀ® Petite Push Up Underwire Bra: Sand
Wacoal 75891

Embrace LaceĀ® Petite Push Up Underwire Bra

$65
Undercover Wire Free T-Shirt Bra: Chai
b.tempt'd 956207

Undercover Wire Free T-Shirt Bra

$50
Undercover Plunge T-Shirt Bra: Night
b.tempt'd 953207

Undercover Plunge T-Shirt Bra

$50
Undercover Wire Free T-Shirt Bra: Night
b.tempt'd 956207

Undercover Wire Free T-Shirt Bra

$50
Undercover Plunge T-Shirt Bra: Chai
b.tempt'd 953207

Undercover Plunge T-Shirt Bra

$50
Future Foundation T-Shirt Bra: Burlwood
b.tempt'd 953281

Future Foundation T-Shirt Bra

$48
Upgraded T-Shirt Bra: Sand
b.tempt'd 953380

Upgraded T-Shirt Bra

$33.60 $48
30% off
Future Foundation Wire Free T-Shirt Bra: Rose Smoke
b.tempt'd 956281

Future Foundation Wire Free T-Shirt Bra

$48
Future Foundation Wire Free Strapless Bra: Au Natural
b.tempt'd 954281

Future Foundation Wire Free Strapless Bra

$46
Modern Method Strapless Bra: Night
b.tempt'd 954217

Modern Method Strapless Bra

$46
Ciao Bella Strapless Bra: Roebuck
b.tempt'd 954344

Ciao Bella Strapless Bra

$46
Future Foundation T-Shirt Bra: Rose Smoke
b.tempt'd 953281

Future Foundation T-Shirt Bra

$48
b.wow'd Push Up Bra: Night/Animal Accent
b.tempt'd 958287

b.wow'd Push Up Bra

$48
Spotlight Wire Free T-Shirt Bra: Night
b.tempt'd 956293

Spotlight Wire Free T-Shirt Bra

$48
Future Foundation T-Shirt Bra: Night
b.tempt'd 953281

Future Foundation T-Shirt Bra

$48
Future Foundation Push Up Strapless Bra: Au Natural
b.tempt'd 954381

Future Foundation Push Up Strapless Bra

$44
Future Foundation T-Shirt Bra: Au Natural
b.tempt'd 953281

Future Foundation T-Shirt Bra

$48
Future Foundation Wire Free T-Shirt Bra: Burlwood
b.tempt'd 956281

Future Foundation Wire Free T-Shirt Bra

$48
Future Foundation T-Shirt Bra: Chili Pepper Red
b.tempt'd 953281

Future Foundation T-Shirt Bra

$28.80 $48
40% off
Future Foundation Wire Free T-Shirt Bra: Cayenne
b.tempt'd 956281

Future Foundation Wire Free T-Shirt Bra

$27.60 $46
40% off
Future Foundation Wire Free Strapless Bra: Night
b.tempt'd 954281

Future Foundation Wire Free Strapless Bra

$26.40 $44
40% off
Spotlight Wire Free T-Shirt Bra: Fuchsia Red
b.tempt'd 956293

Spotlight Wire Free T-Shirt Bra

$27.60 $46
40% off
Future Foundation Push Up Strapless Bra: Night
b.tempt'd 954381

Future Foundation Push Up Strapless Bra

$22 $44
50% off
Room Service Wire Free T-Shirt Bra: Night
b.tempt'd 956258

Room Service Wire Free T-Shirt Bra

$28.80 $48
40% off
Spotlight Wire Free T-Shirt Bra: Crown Blue
b.tempt'd 956293

Spotlight Wire Free T-Shirt Bra

$28.80 $48
40% off
Room Service Wire Free T-Shirt Bra: Pink Nectar
b.tempt'd 956258

Room Service Wire Free T-Shirt Bra

$28.80 $48
40% off
How Perfect Wire Free T-Shirt Bra: Rose Dust
Wacoal 852189

How Perfect Wire Free T-Shirt Bra

$47.60 $68
30% off
Undercover Plunge T-Shirt Bra: Leopard
b.tempt'd 953207

Undercover Plunge T-Shirt Bra

$30 $50
40% off
Undercover Wire Free T-Shirt Bra: Leopard
b.tempt'd 956207

Undercover Wire Free T-Shirt Bra

$30 $50
40% off
Future Foundation T-Shirt Bra: Country Blue
b.tempt'd 953281

Future Foundation T-Shirt Bra

$33.60 $48
30% off
Undercover Plunge T-Shirt Bra: Deep Lake
New Color Up to DDD cup
b.tempt'd 953207

Undercover Plunge T-Shirt Bra

$50
Full Transparency Plunge T-Shirt Bra: Night
New Arrival
b.tempt'd 953420

Full Transparency Plunge T-Shirt Bra

$46
Undercover Wire Free T-Shirt Bra: Deep Lake
New Color Up to DD cup
b.tempt'd 956207

Undercover Wire Free T-Shirt Bra

$50
How Perfect Wire Free T-Shirt Bra: Orchid Bloom
Wacoal 852189

How Perfect Wire Free T-Shirt Bra

$50.40 $72
30% off
Baseline T-Shirt Bra: Black
New Arrival A-DDD cup
Wacoal 853450

Baseline T-Shirt Bra

$68

MORE INFO

30C Bras for Petite Frames With a Fuller Bust

A 30C is built for a narrower ribcage paired with a moderately full cup, a combination that a lot of mainstream bra lines skip right past. Wacoal's 30C bras are constructed with a snug, supportive band and cups shaped to fit close to the body, so you get real lift and shape without a band that's borrowed from a larger frame.

Our range includes smooth wire-free t-shirt bras, push-up styles with adjustable coverage, and strapless options built to stay put. Every 30C style here is designed around the narrower band, so the fit feels proportional instead of stretched to cover a size gap.

Popular 30C styles include:

How Perfect Wire Free T-Shirt Bra: A best-selling wire-free style with a smooth, rounded shape and flexible support for comfortable all-day wear, available up to a DDD cup.

Embrace LaceĀ® Petite Push Up Underwire Bra: A push-up style scaled specifically for petite frames, with soft padding and delicate lace detailing that adds lift without overwhelming a smaller band.

Undercover Plunge T-Shirt Bra: A smooth plunge t-shirt bra with a low center gore and stretch foam cups, designed for a close, natural fit under fitted tops and lower necklines.


Find Your Best Fit in 30C

Looking for a specific style? Explore t-shirt bras for a smooth look under fitted tops, push up bras for extra lift, or strapless bras for off-the-shoulder and special occasion outfits.


Frequently Asked Questions About 30C Bras

Why does the center gore on my 30C bra float away from my chest instead of sitting flat?

This usually means the cup shape doesn't match your tissue, not that the band size is wrong. It's especially common if your breast tissue sits more closely together or is on the fuller, more projected side. Try a plunge style with a lower, more flexible gore, or size up just the cup while keeping the same 30 band.

Is 30C the same size as 32B?

They're close sister sizes with similar cup volume, but the band fit is different. If you've been wearing a 32B because a 30C felt harder to find, the band is likely running looser than it should. A properly fitted 30C keeps the band snug while giving the cup that same general volume.

How do I know if my 30C bra fits correctly on me?

The band should sit level and snug around your ribcage without riding up, the cups should fully contain your bust without gaping at the top or spilling at the sides, and the straps should stay in place without slipping. Use our Bra Fit Calculator or Find Your Fit tools to confirm your size, or book a complimentary virtual bra consultation with a Fit Expert.