Skip to main content Accessibility Policy

40% Off Best Sellers* - NO CODE NEEDED

Get 20-30% off your first DiaSHOP order* - code: DIAWELCOME

FREE US Standard Shipping on Orders $125+*

Credit Card
Learn More
Don't have your card yet? Apply Today!
Enjoy these top rewards and special benefits when you use the FullBeauty Platinum Credit Card:

Earn Rewards⁶ Every Time You Shop

Earn 20 points for every $1 spent with your card. Available to Silver Tier Only (accumulate 0 to 3,499 points).³

Free Shipping up to 4 Times a Year⁴

Use promo code FBSHIPPING2025
Minimum purchase of $75. Online Only.

A Special Birthday Surprise!⁵

We'll send you an exclusive offer for your orders placed during your birthday month.⁵
Rewards
0 My Bag

0 My Bag

Sign In
Rewards
Deals
Personal Styling
New In
- Dresses
- Jumpsuits
- Tops
- Bottoms
  - Jeans
  - Pants
  - Skirts
- Swimwear
- Outerwear
- Intimates
- Shoes
Dresses
Tops
Outerwear
- Jackets
  - Blazers
  - Vests
- Coats
Bottoms
Brands
- Alder Apparel
- Alex and Ani
- ANNICK
- Atenai London
- Avenue
- AXK Maternity
- BAACAL
- Belldini
- Nabs and Babs
- Nomads Swimwear
- NOOD
- NYDJ
- Poplinen
- Proclaim
- Prologue Shoes
- RBX Active
Wedding Shop
- For the Bride
- Attending a Wedding
Style Edit
- What to Wear
- Best Sellers
  - Dresses
  - Jumpsuits
  - Tops
  - Sweaters
  - Outerwear
  - Jeans
  - Pants
  - Skirts
  - Intimates
  - Loungewear
  - Swimwear
  - Accessories
  - Designer
- Wardrobe Essentials
  - Bottoms
  - Dresses
  - Tops
  - Intimates
  - Sleepwear
- Featured
- Trending Now
Swim
Shoes
- Sandals
- Heels
- Flats
- Mules
- Bridal Shoes
- Wide Width
- Boots
Accessories
- Jewelry
- Belts
- Tights
- Sunglasses
- Hair Accessories
- Handbags
Sale
Personal Styling

Personal Style, Delivered
Get your customized
style box today!

Get Started

Shipping To

Be the first to Know

Stay up to date with all of our great fitting styles and new season arrivals. Plus, enjoy 20-30% off!

Email Address

Thanks for signing up.

Check your inbox to enjoy 20-30% off.

You have 48 hours to use your special offer before it expires!

Thank you for your interest in our brand and your request to receive emails! Unfortunately we are not able to accept orders from your country at this time or send you emails. As such, we will not store your email address at this time. We hope to be able to serve you in the future.

We're sorry, there was a problem adding your email to our list. Please try again later.

Customer Service

Call Us 1-800-400-5527

Quick Links

Update My Profile

Introducing Dia Rewards! Shop & earn, and get rewarded. Join now (it's free!)

“underwire swim”

63 Results

SORT BY

63 Results

Sort By

Sort By

Featured

Newest

Top Rated

Highest Price

Lowest Price

FILTER BY

Filter

black (35)
multi (18)
pink (18)
blue (13)
orange (9)
purple (9)
green (8)
white (6)
red (5)
yellow (3)
brown (1)

City Chic (6)
Elomi Swim (4)
Eloquii (3)
Fantasie Swim (1)
Profile By Gottex (7)
Swimsuits For All (36)
Unique Vintage (6)

One-Piece Swimwear (16)
Swim Tops (42)
Swimdresses (5)
Swimsuits (21)

Bikini Tops (35)
Bra Sized Swimwear (3)
Tankini Tops (7)

Cotton (1)
Elastane (13)
Foam (2)
Jacquard (1)
Lycra (9)
Mesh (7)
Microfiber (1)
Nylon (50)
Polyamide (9)
Polyester (2)
Polyester Blend (1)
Spandex (43)

Short Length (6)
Mid Length (5)

Sleeveless (50)
Cap Sleeve (1)

Halter (1)
Keyhole (2)
One Shoulder (1)
Scoop Neck (5)
Square Neck (1)
Strapless/Tube (5)
Sweetheart Neck (18)
V Neck (19)

Hand Wash (63)

Swim (63)

Maximum Coverage (48)
Moderate Coverage (13)
Minimal Coverage (1)

Buckle (1)
Clasp (3)
Front Closure (1)
Hook & Bar (1)
Hook & Eye (8)
Lace-Up (7)
Pull-On (14)
Pullover (8)
S-Hook (1)
Snaps (6)
Tie (6)

Adjustable Strap (48)
Cross Back (2)
Shoulder Strap (2)

Maximum Support (51)
Moderate Support (11)
Minimal Support (1)

Up to $19.99 (2)
From $20.00 to $39.99 (5)
From $40.00 to $59.99 (7)
From $60.00 to $79.99 (16)
From $80.00 to $99.99 (14)
From $100.00 to $249.99 (19)

Color Options

BLACK

PASSION FRUIT

MEDITERRANEAN

PARADISE PRIMARY

Essential Sweetheart Underwire Bikini Top
by Swimsuits For All

SFCC

~~Price reduced from $54.00 to~~ 50% Off with code: SITEWIDE50
$27.00 with code
Save $27.00 50%
Color Options

WHITE BLACK POLKA DOT

BLUE

MOD BLOOM

PINK BOHO PAISLEY

LITTLE LEOPARD

VIBRANT PALM PINK

MAUI CORAL TROPICAL

Confidante Bra Sized Underwire Bikini Top
by Swimsuits For All

SFCC

~~Price reduced from $88.00 to~~ 50% Off with code: SITEWIDE50
$44.00 with code
Save $44.00 50%

4.3 out of 5 Customer Rating (63)
Color Options

BLACK

FRUIT PUNCH

LEMON MIST

LUXURY

PAPAYA

FIRE CORAL

Bra Sized Drape Front Underwire Bikini Top
by Swimsuits For All

SFCC

~~Price reduced from $88.00 to~~ 50% Off with code: SITEWIDE50
$44.00 with code
Save $44.00 50%

4.8 out of 5 Customer Rating (15)
Color Options

BLACK

BEAUTIFUL BLUE

SPICE

MILITARY

RUBY

Shirred Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $115.00 to~~ 50% Off with code: SITEWIDE50
$57.50 with code
Save $57.50 50%

4.2 out of 5 Customer Rating (41)
Color Options

BLACK

CORAL PINK

SPICE

MEDITERRANEAN

LEMONADE

WHITE

Underwire Lace Up One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ 50% Off with code: SITEWIDE50
$62.50 with code
Save $62.50 50%

3.9 out of 5 Customer Rating (9)
Color Options

BLACK

ELECTRIC IRIS

CORAL PINK

GRENADINE

PASSION FRUIT

Ruched Skirted Bandeau Swimdress
by Swimsuits For All

SFCC

~~Price reduced from $115.00 to~~ 50% Off with code: SITEWIDE50
$57.50 with code
Save $57.50 50%

4.2 out of 5 Customer Rating (32)
Color Options

BLACK DITSY FLORAL

FRUIT PUNCH TROPICAL

MULTI TIE DYE

BLACK WHITE ABSTRACT

Bra Sized Tie Front Longline Underwire Bikini Top
by Swimsuits For All

SFCC

~~Price reduced from $88.00 to~~ 50% Off with code: SITEWIDE50
$44.00 with code
Save $44.00 50%

4.6 out of 5 Customer Rating (17)
Color Options

FRUIT PUNCH

BLACK

Bra Sized Drape Front Lightweight Underwire Tankini Top
by Swimsuits For All

SFCC

~~Price reduced from $124.00 to~~ 50% Off with code: SITEWIDE50
$62.00 with code
Save $62.00 50%

1.5 out of 5 Customer Rating (2)
Color Options

BLACK

CORAL PINK

Scallop Trim Underwire Bikini Top
by Swimsuits For All

SFCC

~~Price reduced from $78.00 to~~ 50% Off with code: SITEWIDE50
$39.00 with code
Save $39.00 50%

1.0 out of 5 Customer Rating (1)
Lace Detail Corset One Piece
by ELOQUII

SFCC

~~Price reduced from $159.95 to~~ NOW $69!
$69.00
Save $90.95 56%

3.5 out of 5 Customer Rating (2)
Color Options

BLACK

LEMON MIST TROPIC

ROYAL FLORAL

Adjustable Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $115.00 to~~ 50% Off with code: SITEWIDE50
$57.50 with code
Save $57.50 50%
Color Options

FLUORESCENT PINK

PAPAYA

Cup Sized Mesh Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ 50% Off with code: SITEWIDE50
$62.50 with code
Save $62.50 50%

3.8 out of 5 Customer Rating (9)
Color Options

BLACK

CINNAMON SHIMMER

ROSE SHIMMER

Shimmer Shirred Ring Bandeau Bikini Top
by Swimsuits For All

SFCC

~~Price reduced from $78.00 to~~ 50% Off with code: SITEWIDE50
$39.00 with code
Save $39.00 50%

4.1 out of 5 Customer Rating (7)
Color Options

BLACK CHERRY

BLACK

ROSE

DEEP SEA

Underwire Shirred Ring Bandeau Tankini Top
by Swimsuits For All

SFCC

~~Price reduced from $84.00 to~~ 50% Off with code: SITEWIDE50
$42.00 with code
Save $42.00 50%

4.4 out of 5 Customer Rating (5)
Color Options

BLACK

LEMONADE

FLUORESCENT PINK

Chain Accent Underwire Bikini Top
by Swimsuits For All

SFCC

~~Price reduced from $64.00 to~~ 50% Off with code: SITEWIDE50
$32.00 with code
Save $32.00 50%

3.0 out of 5 Customer Rating (2)

Related Products

Plus Size Underwire Bra Plus Size Swim Tops With Underwire Plus Size Bathing Suits With Underwire Plus Size Molded Cup Swimwear Plus Size Non Padded Swimwear Plus Size Underwire Balconette Bra Plus Size No Underwire Bra Fitted Swimwear Plus Size Quality Swimwear Plus Size Underwire Lace Bra

Plus Size Swimwear With Underwire Plus Size Underwire Tankinis Plus Size Underwire Bathing Suits Women's Swim Tops Curve Swimwear Strappy Swimwear Crochet Swim Tops High Leg Swimwear Plus Size Swimsuits With Support Cut Out Plus Size Swimwear

Dia

Be the first to Know

Stay up to date with all of our great fitting styles and new season arrivals. Plus, enjoy 20-30% off!

Email Address

Thanks for signing up.

Check your inbox to enjoy 20-30% off.

You have 48 hours to use your special offer before it expires!

Thank you for your interest in our brand and your request to receive emails! Unfortunately we are not able to accept orders from your country at this time or send you emails. As such, we will not store your email address at this time. We hope to be able to serve you in the future.

We're sorry, there was a problem adding your email to our list. Please try again later.

Text JOIN to 32469

for exclusive access to special offers & receive 20% off your next purchase!!

Sign up for texts

^*Msg&data rates may apply. Recurring autodialed marketing messages will be sent to the mobile number provided at opt-in.
Consent is not a condition of purchase. Text STOP to quit. T&Cs & Privacy Policy

Free Exchanges Every Day

Free Exchanges Every Day!

Our goal is your complete satisfaction!

Learn More

Free US Standard Shipping

On All Orders $125+

Learn More

Customer Service

Contact Us
Shopping Info
Shipping Info
Returns & Exchanges
Billing & Payment
Size & Fit
International
FAQ

My Account

Sign In / Register
Track My Order
Return Order
Order History
Wishlist
Rewards

Diamond Rewards Mastercard^®

Pay My Bill

Gift Cards

Gift Card Balance
eGift Card

Pay My Bill

Gift Card Balance
eGift Card

Dia Shop

Careers
About Fullbeauty Brands
Product Collections

Shipping To

6 Brands 1 Easy Checkout

Your Privacy Choices privacy policy icon

California Transparency in Supply Chains Act

Accessibility Statement

© FullBeauty Brands Operations, LLC. All rights reserved.

DIA SHOP™ is a trademark of FullBeauty Brands Operations, LLC.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Be the first to know

Be the first to know

Keep up with our latest offers, arrivals & more - it's easier than ever!

Mobile Phone Number

Success

You're all set!

A text message has been sent to . Reply with Y to confirm.

Something went wrong

Sorry, we are having trouble connecting to the system.

Please try again later.

^*By signing up for texts, you agree to receive automated recurring marketing messages from FullBeauty Brands and accept the Terms & Privacy Policy. Consent is not a condition of purchase. Msg & data rates may apply. Text Stop to unsubscribe.