home / 30d bras

30D Bras

filters (#{filterCount})

filter

clear apply (#{filterCount})
Sort:
How Perfect Wire Free T-Shirt Bra: Sand
Best Seller Up to DDD cup
Wacoal 852189

How Perfect Wire Free T-Shirt Bra

$72
Basic Beauty Spacer Underwire T-Shirt Bra: Black
Up to G cup
Wacoal 853192

Basic Beauty Spacer Underwire T-Shirt Bra

$68
La Femme Underwire T-Shirt Bra: Sand
Wacoal 853117

La Femme Underwire T-Shirt Bra

$68
Red Carpet™ Strapless Underwire Bra: Sand
Up to I cup
Wacoal 854119

Red Carpet™ Strapless Underwire Bra

$78
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
Freya Sonic Sport Underwire Spacer Bra: Nude
UK Cup Sizes
Freya AA4892

Freya Sonic Sport Underwire Spacer Bra

$74
UK Cup Sizes
Undercover Plunge T-Shirt Bra: Chai
b.tempt'd 953207

Undercover Plunge T-Shirt Bra

$50
Back Appeal® Underwire Bra: Rose Dust
Up to H cup
Wacoal 855303

Back Appeal® Underwire Bra

$74
Future Foundation T-Shirt Bra: Burlwood
b.tempt'd 953281

Future Foundation T-Shirt Bra

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

Future Foundation Wire Free T-Shirt Bra

$48
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 Wire Free Strapless Bra: Night
b.tempt'd 954281

Future Foundation Wire Free Strapless Bra

$26.40 $44
40% off
Future Foundation T-Shirt Bra: Thistle
b.tempt'd 953281

Future Foundation T-Shirt Bra

$27.60 $46
30% 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
How Perfect Wire Free T-Shirt Bra: Rose Dust
Wacoal 852189

How Perfect Wire Free T-Shirt Bra

$47.60 $68
30% 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
Back Appeal® Underwire Bra: Black
Wacoal 855303

Back Appeal® Underwire Bra

$74
Future Foundation T-Shirt Bra: Mary's Rose
b.tempt'd 953281

Future Foundation T-Shirt Bra

$28.80 $48
40% off
Undercover Wire Free T-Shirt Bra: Cerise
b.tempt'd 956207

Undercover Wire Free T-Shirt Bra

$30 $50
40% 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
Basic Beauty Spacer Underwire T-Shirt Bra: Sand
Best Seller Up to G cup
Wacoal 853192

Basic Beauty Spacer Underwire T-Shirt Bra

$68

MORE INFO

30D Bras for a Smaller Band With Proportional Support

A 30D calls for a narrower band that still needs to anchor real support. Wacoal's 30D bras are constructed with a snug, stable band and cups shaped to hold their form without the extra bulk that a size built for a larger frame would add. The result is a bra that fits close to the body while still lifting and shaping the way a D cup should.

Our range includes smooth everyday t-shirt bras, wire-free styles for a softer feel, and strapless options built to stay in place. Every 30D style is designed with the narrower band in mind, so the fit feels proportional rather than borrowed from a larger size.

Popular 30D 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.

La Femme Underwire T-Shirt Bra: A smooth, lightly padded underwire t-shirt bra with stretch foam cups and seamless construction that creates a natural silhouette under any top.

Red Carpet™ Strapless Underwire Bra: A best-selling strapless with silicone strips and reinforced construction for secure, all-day support, available up to an I cup.


Find Your Best Fit in 30D

Looking for a specific style? Explore our t-shirt bras for a smooth look under fitted tops, wireless bras for soft all-day comfort, or strapless bras for off-the-shoulder and special occasion outfits.


Frequently Asked Questions About 30D Bras

How do I know if I need a 30D or a 30DD?

If the cups gape at the top even after adjusting the band and straps, or if you consistently feel like you're spilling out the top or sides, that's usually a sign to size up to a 30DD. A 30D that fits correctly should have the cup fully containing your bust with no puckering or empty space at the top.

Is 30D the same as 32C?

They're close sister sizes with similar cup volume, but the band fit is different. If you've been wearing a 32C because a 30D wasn't available or felt hard to find, the band may be running looser than it should. A properly fitted 30D keeps the band snug while giving the cup the same general volume.

How do I know if my 30D bra fits correctly?

The band should sit level and snug around your ribcage without riding up, the cups should fully contain your bust without gaping or spilling, 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.