Best Slimming Competitive Swimwear Women One-Piece Suits of 2025

Keira Murphy Avatar
Keira Murphy
Last Updated: 7 Feb 2025

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This range of swimwear is designed for women who are looking for high-performance and slimming swimwear. The one-piece suits are perfect for competitive swimmers who want to reduce drag and improve their speed in the water. These suits are made from high-quality materials that are designed to be both comfortable and durable. They are available in a range of colours and styles to suit every taste. Whether you are a professional swimmer or simply looking for a stylish and comfortable swimsuit, these one-piece suits are sure to impress.

At a Glance: Our Top Picks

Sporti Women's Athletic One Piece Swimsuit Cover #TOP 1
Sporti Women's Athletic One Piece Swimsuit
ftb score rating icon 9.9
Aqua Eve Tummy Control One Piece Swimsuit Cover #TOP 2
Aqua Eve Tummy Control One Piece Swimsuit
ftb score rating icon 9.8
Ormark Women's Tummy Control One Piece Swimsuit Cover #TOP 3
Ormark Women's Tummy Control One Piece Swimsuit
ftb score rating icon 9.6

Top 10 Slimming Competitive Swimwear Women One-Piece Suits

#TOP 1

Sporti Women's Athletic One Piece Swimsuit

Sporti
SWP129
White
Sporti Women's Athletic One Piece Swimsuit Cover
Sporti Tie Back Women's Athletic One Piece Swimsuits - Slimming Bathing Suit for Swimmers - Competitive Swimsuit Women, White, 34

The Sporti Women's Swimsuit is perfect for confident women who want style and comfort. Its quick-change design allows you to effortlessly put it on and take it off, making it ideal for swim practice or a beach day. You can enjoy a customised fit with its adjustable tie back and low scoop back, ensuring you feel great while swimming. Designed to minimise tan lines, this swimsuit features thin straps that let you lounge by the pool with confidence. Made from durable Lycra Xtra Life material, it lasts significantly longer than regular Spandex, ensuring you always look fabulous.

What We Like
Quick-change design for convenience
Customisable fit with adjustable tie
Minimises tan lines effectively
Durable Lycra Xtra Life material
#TOP 2

Aqua Eve Tummy Control One Piece Swimsuit

Hot Pink
Aqua Eve Tummy Control One Piece Swimsuit Cover
Aqua Eve Tummy Control Swimsuits for Women One Piece Bathing Suit Swimming Costume Push Up Slimming Swimwear, Hot Pink, Medium

The Aqua Eve One Piece Swimsuit is designed to enhance your beach experience. With non-removable push-up cups and a stylish belt, it provides excellent support while flattering your figure. The plunge V-neck and adjustable halter straps accentuate your neck beautifully, making you feel confident and elegant. Additionally, the tummy control feature, with its ruching detail, offers comfort and helps to conceal any imperfections, allowing you to showcase your curves effortlessly. Crafted from lightweight and quick-drying fabric, this swimsuit is perfect for any summer occasion.

What We Like
Flattering push-up design
Elegant plunge V-neck
Effective tummy control
Quick-drying fabric
Available in multiple sizes
#TOP 3

Ormark Women's Tummy Control One Piece Swimsuit

Ormark
Brown
Ormark Women's Tummy Control One Piece Swimsuit Cover
Ormark Womens One Piece Swimsuits Tummy Control Slimming One Piece Bathing Suits Athletic One Piece Swimsuits Modest Swimwear, Brown, XL

The Ormark One Piece Swimsuit offers a blend of style and comfort for your summer adventures. Made from a smooth fabric of 82% nylon and 18% spandex, this swimsuit is stretchy and quick-drying, ensuring you stay comfortable all day long. The bow-tied shoulders add a playful touch, allowing you to customise your look. The refined u-neck design radiates elegance, while the high-waisted feature visually shortens your upper body, making you feel more confident. With tummy control, you can enjoy a slimming effect, helping you look your best on the beach or by the pool.

What We Like
Quick-drying, stretchy material
Customisable bow-tied shoulders
Elegant u-neck design
Tummy control for a slimmer look
#TOP 4

KUIH Women's One Piece Tummy Control Swimsuit

plus size swimwear
Black-12
KUIH Women's One Piece Tummy Control Swimsuit Cover
KUIH Womens One Piece Boyleg Swimsuit Tummy Control Swimming Costume with Shorts Slimming Monokini Push up Swimwear Athletic Sports Bathing Suit Plus Size Swimwear Swim Shorts Women Modest Swimwear

The KUIH One Piece Swimsuit is designed for comfort and performance. Made from a blend of 70% nylon and 30% spandex, the swimsuit offers quick-drying and smooth fabric that moves with your body, ensuring you feel at ease while swimming. Its modest cut provides moderate hip coverage, allowing you to swim, surf, or splash with confidence. Perfect for various occasions, this swimsuit is ideal for swimming classes, beach outings, or summer vacations, making it a versatile choice for your water activities.

What We Like
Quick-drying and comfortable fabric
Modest coverage for confidence
Versatile for multiple occasions
Stretches with body movement
#TOP 5

BeautyIn Women's One Piece Athletic Swimsuit

OP3356050409
Black&white
BeautyIn Women's One Piece Athletic Swimsuit Cover
beautyin Women's One Piece Athletic Racerback Swimsuit Slimming Bathing Suit

The BeautyIn Athletic Swimsuit is designed for comfort and support. It features dual shoulder straps that provide a secure fit, allowing you to swim freely without worrying about your swimsuit shifting. The contrast detailing and racerback design not only enhance your style but also offer additional support. With a built-in bra and double-layer lining, you can enjoy great shape and confidence while engaging in various activities. The quick-dry fabric ensures you stay comfortable, making this swimsuit perfect for swimming, parties, or beach outings.

What We Like
Comfortable quick-dry fabric
Built-in bra for support
Stylish contrast detailing
Secure dual shoulder straps
#TOP 6

Women's Tummy Control One Piece Swimsuit

bandeau swimsuits for women uk
37-hot Pink
Women's Tummy Control One Piece Swimsuit Cover
Womens One Piece Swimsuit Tummy Control Swimming Costume Slimming Monokini Push Up Swimwear Athletic Sports Bathing Suit Plus Size Swimwear UK Clearance Modest Swimwear Ruched Swimsuit Beach Wear

The KUIH One-Piece Swimsuit is crafted from nylon and spandex, offering a quick-drying and comfortable fit that moves with your body. Its sleek design features moderate hip coverage, ensuring you feel confident and secure while engaging in various water activities. Perfect for swimming classes or leisurely days at the beach, this swimsuit is versatile enough for both exercise and relaxation. With its tummy control feature, you can enjoy a flattering silhouette, making it an ideal choice for women looking to enhance their swimwear collection.

What We Like
Quick-drying and comfortable fabric
Flattering tummy control design
Versatile for various water activities
Moderate hip coverage for confidence
Suitable for plus sizes
#TOP 7

Women's One Piece Swimsuit with Tummy Control

tankini top
Yellow
Women's One Piece Swimsuit with Tummy Control Cover
Womens One Piece Swimsuit Tummy Control Swimming Costume Slimming Monokini Push Up Swimwear Vintage Ruched One Piece Swimsuit Bikini Bathing Suits Yellow

The One Piece Tummy Control Swimsuit is designed to enhance your confidence at the beach. With its tummy control feature, you can enjoy a flattering fit that smooths your silhouette. The quick-drying fabric means you won't stay wet for long, making it perfect for those sunny days by the sea. Additionally, the vintage ruched design adds a stylish touch, allowing you to stand out while feeling comfortable. This swimsuit is a fantastic choice for women seeking both style and functionality during their summer outings.

What We Like
Flattering tummy control
Quick-drying fabric
Stylish vintage design
Comfortable fit
#TOP 8

Yonique Plus Size One Piece Swimsuit

Y201208-PK-16W
Pink and Black
18 Plus
Yonique Plus Size One Piece Swimsuit Cover
Yonique Plus Size Swimsuit One Piece Bathing Suits for Women Tummy Control Slimming Swimwear, Pink and Black, 20 Plus

The Yonique Plus Size Swimsuit offers a stylish yet modest design, featuring a plunge deep v-neck that enhances your look without being overly revealing. The vintage twist front cross design creates a flattering slimming effect, perfect for boosting your confidence at the beach or pool. With a push-up bra that includes removable padding and adjustable wide straps, you will enjoy added support and tummy control. This swimsuit also provides good bottom coverage, ensuring you feel secure during various water activities.

What We Like
Flattering plunge v-neck design
Removable padding for comfort
Adjustable straps for support
Good bottom coverage
Soft, breathable fabric
#TOP 9

ChamLeaks Women's Boyleg Racerback Swimsuit

2-black/Grey/Aqua
ChamLeaks Women's Boyleg Racerback Swimsuit Cover
ChamLeaks Women's Sports Boyleg One Piece Swimming Costume Racerback Swimsuit Swimwear Black/Aqua L

The ChamLeaks Boyleg Swimsuit is designed with a racerback style and soft wide straps, ensuring comfort and support during your activities. The soft front lining and padded shelf-bras offer gentle shaping and support, making you feel secure. Its contrast splicing colour design and medium leg-cut provide a slimming and flattering appearance, boosting your confidence. The one-piece boyleg design allows for modest coverage while ensuring freedom of movement, perfect for swimming lessons or training sessions.

What We Like
Comfortable racerback design
Soft lining with support
Flattering colour contrast
Modest coverage for freedom
Quick-drying for convenience
#TOP 10

SEAUR Women's Athletic One-Piece Swimsuit

Pink
SEAUR Women's Athletic One-Piece Swimsuit Cover
SEAUR - Women Training Swimsuit One Piece Bathing Suit Athletic Swimsuit Slimming Sports Swimwear for Pool Pink

The SEAUR Training Swimsuit is crafted from high-quality fabric that is soft, lightweight, and breathable, ensuring you stay comfortable during your water activities. Its classic slim fit design beautifully accentuates your figure, making it ideal for those looking to feel confident while swimming. This swimsuit is perfect for various occasions such as surfing, swimming lessons, or beach parties, providing versatility for your summer wardrobe. Additionally, it's a fantastic gift idea for girlfriends, mums, or sisters, making it a thoughtful choice for any occasion.

What We Like
Comfortable and breathable fabric
Flattering slim fit design
Versatile for various activities
Great gift for loved ones
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What body type looks good in a one piece swimsuit?

HOURGLASS BODY SHAPE The hourglass figure is usually the most desired, and it consists of a fuller chest, slimmer waist, and hips equal in width to the shoulders. If you have this figure, most one piece swimsuits will do wonders for your shape.

2. What kind of swimsuit makes you look thinner?

Ruched and Shirred Swimsuits That'll Make You Look 10 Pounds Thinner. Look for a swimsuit with ruching through the middle to mask a less-than-flat tummy. The extra fabric streamlines your waistline, making it look smaller than ever.

3. What color swimsuit makes you look skinniest?

Choose Dark Colors Dark shades have a slimming effect, especially black and navy blue hues are perfect if you're looking to hide a few pounds. To spice up things, look for fashion-forward silhouettes and styles.

Editor's Notes

During our slimming competitive swimwear women one-piece suit research, we found 99 slimming competitive swimwear women one-piece suit products and shortlisted 10 quality products. We collected and analyzed 32,216 customer reviews through our big data system to write the slimming competitive swimwear women one-piece suits list. We found that most customers choose slimming competitive swimwear women one-piece suits with an average price of £17.40.

The slimming competitive swimwear women one-piece suits are available for purchase. We have researched hundreds of brands and picked the top brands of slimming competitive swimwear women one-piece suits, including Sporti, Aqua Eve, Ormark, KUIH, BeautyIn.

Written by
Keira Murphy Avatar

Keira Murphy is an outdoorsy girl who loves sports and the outdoors. She's from the UK, but now lives in New York. Keira also has a YouTube channel where she uploads videos of her playing different sports, exploring new places or doing outdoor activities with friends. She started her channel because she wanted to share her love for sports and the outdoors with others who may not be able to get out as much as they would like due to injury, disability or other reasons. Her favorite sport is basketball!