Best Slimming Competitive Swimwear Women One-Piece Suits of 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
Top 10 Slimming Competitive Swimwear Women One-Piece Suits
Sporti Women's Athletic One Piece Swimsuit
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.
Aqua Eve Tummy Control One Piece Swimsuit
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.
Ormark Women's Tummy Control One Piece Swimsuit
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.
KUIH Women's One Piece Tummy Control Swimsuit
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.
BeautyIn Women's One Piece Athletic Swimsuit
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.
Women's Tummy Control One Piece Swimsuit
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.
Women's One Piece Swimsuit with Tummy Control
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.
Yonique Plus Size One Piece Swimsuit
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.
ChamLeaks Women's Boyleg Racerback Swimsuit
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.
SEAUR Women's Athletic One-Piece Swimsuit
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.
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.
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.

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!