Best Competitive Swimwear Women One-Piece Suits of 2025

Keira Murphy Avatar
Keira Murphy
Last Updated: 7 Feb 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

For those who are passionate about swimming, having the right swimwear is essential. One-piece swimsuits are a popular choice among women who take part in competitive swimming. Not only do they provide comfort and flexibility, but they also help to reduce drag in the water. There are many different styles and designs available, each with their own unique features that cater to the needs of swimmers. Whether you are a beginner or an experienced athlete, investing in a high-quality one-piece swimsuit can help to improve your performance in the water.

At a Glance: Our Top Picks

Speedo Women's Eco Endurance+ Medalist Swimsuit Cover #TOP 1
Speedo Women's Eco Endurance+ Medalist Swimsuit
ftb score rating icon 9.9
Arena Women's Solid Swim Pro Team Swimsuit Cover #TOP 2
Arena Women's Solid Swim Pro Team Swimsuit
ftb score rating icon 9.8
Speedo Women's HyperBoom Muscleback Swimsuit Cover #TOP 3
Speedo Women's HyperBoom Muscleback Swimsuit
ftb score rating icon 9.6

Top 10 Competitive Swimwear Women One-Piece Suits

#TOP 1

Speedo Women's Eco Endurance+ Medalist Swimsuit

8-134710001
Black
Speedo Women's Eco Endurance+ Medalist Swimsuit Cover
Speedo Women's Eco Endurance+ Medalist Swimsuit, Athletic Fit, Classic Desig, Recycled Fabric, Chlorine Resistant, Extra Flexibility, Black, 34

The Speedo Eco Endurance+ Swimsuit offers a perfect blend of quality and comfort with its updated ECO Endurance+ fabric. You will appreciate the suit’s classic design, providing you with extra flexibility and great shoulder movement for an enhanced swimming experience. Made from 50% recycled materials, it’s not only kind to the environment but also ideal for both short and long training sessions. Plus, the chlorine-resistant fabric ensures long-lasting wear, so you can focus on your performance without worry.

What We Like
Durable and eco-friendly fabric
Chlorine-resistant for longevity
Comfortable and flexible fit
Great for training sessions
#TOP 2

Arena Women's Solid Swim Pro Team Swimsuit

004760
Black-white
Arena Women's Solid Swim Pro Team Swimsuit Cover
Arena Womens TEAM SWIMSUIT SWIM PRO SOLID, Black-white, 36 EU

The Arena Swim Pro Swimsuit is crafted from durable and quick-drying MaxLife ECO-FABRIC, ensuring it withstands chlorine and frequent use. This makes it ideal for both competitive and regular swimmers who visit the pool often. The ergonomic back cut and wide shoulder straps provide excellent support and comfort, allowing you to focus on your performance. With its medium leg length and skin-friendly fabric, this swimsuit offers a great fit while being environmentally conscious, thanks to its recycled polyester composition.

What We Like
Durable and quick-drying fabric
Chlorine-resistant material
Comfortable ergonomic design
Eco-friendly construction
Good support for swimming
#TOP 3

Speedo Women's HyperBoom Muscleback Swimsuit

8-1347016
Speedo Women's HyperBoom Muscleback Swimsuit Cover
Speedo Women's HyperBoom Splice Muscleback Swimsuit | Classic Design| Quick Drying | Training | Fitness | Chlorine Resistant, Black/Electric Pink/USA Charcoal, 42

The Speedo HyperBoom Swimsuit is designed for both comfort and performance. Its sporty Muscleback style and medium leg provide flexibility, allowing you to move freely during your workouts. The 100% chlorine-resistant Endurance+ fabric ensures quick drying and long-lasting wear, perfect for regular training sessions. Additionally, you can feel good knowing that it is made from 50% recycled materials, contributing to a more sustainable environment. With its flattering design, you'll look stylish while enjoying your swim.

What We Like
Comfortable and flexible design
Chlorine-resistant fabric
Quick-drying material
Eco-friendly construction
#TOP 4

Speedo Women's Hyperboom Splice Legsuit for Training

8-1230516
Speedo Women's Hyperboom Splice Legsuit for Training Cover
Speedo Women's Hyperboom Splice Legsuit | Quick Drying | Training | Fitness | Chlorine Resistant , Black/True Cobalt/Curious Blue, 32

The Speedo Hyperboom Legsuit is designed for swimmers who prefer extra coverage while training. It features light bust support, ensuring your bust remains secure during your swim. With 100% chlorine resistance, this suit promises long-lasting performance, making it perfect for frequent swimmers. Additionally, its quick-dry fabric allows you to dry off faster after your swim, enhancing convenience and comfort. You will appreciate how these features work together to support your swimming routine.

What We Like
Extra coverage for modesty
Light bust support for comfort
Chlorine resistant for durability
Quick-drying for convenience
#TOP 5

Speedo Women's Hyperboom Muscleback Swimsuit

8-08694
Speedo Women's Hyperboom Muscleback Swimsuit Cover
Speedo Women's Hyperboom Placement Muscleback Swimsuit | Quick Drying | Training | Fitness | Chlorine Resistant, Black/Siren Red/Plum Dandy, 36

The Speedo Hyperboom Swimsuit features a muscleback design that allows you to swim comfortably with enhanced flexibility and freedom of movement. Its high colour performance means you can enjoy vibrant, bright colours, perfect for making a splash in the pool. Designed as a performance fit swimsuit, it is advisable to size up for a more relaxed fit, especially if used for leisure or fitness. With a legacy dating back to 1928, Speedo is dedicated to inspiring people to embrace life in the water.

What We Like
Flexible and comfortable design
Vibrant colour options
Performance fit for serious swimmers
Established brand since 1928
#TOP 6

Speedo Women's Eco Endurance+ Power Swimsuit

8-13472
Black
Speedo Women's Eco Endurance+ Power Swimsuit Cover
Speedo Women's Eco Endurance+ Power Cross Back Swimsuit, Athletic Fit, Classic Design, Recycled Fabric, Chlorine Resistant, Extra Flexibility, Black, 36

The Speedo Eco Power Swimsuit is designed for optimal comfort and performance. The open back allows you to move freely during your swims, whether you’re training or racing. With its high cut leg and thin straps, you’ll enjoy maximum flexibility, enabling you to focus on your technique. Made from 100% chlorine-resistant fabric, this swimsuit is quick-drying and built to last, making it perfect for frequent use. Plus, its eco-friendly materials mean you can feel good about your purchase.

What We Like
Durable and long-lasting fabric
Eco-friendly recycled materials
Maximum flexibility for swimming
Comfortable open back design
Quick-drying for convenience
#TOP 7

Speedo Women's Eco Endurance+ Thinstrap Swimsuit

8-13539
Black
Speedo Women's Eco Endurance+ Thinstrap Swimsuit Cover
Speedo Women's Eco Endurance+ Thinstrap 1 Piece Swimsuit | Athletic Fit | Classic Design| Recycled Fabric | Chlorine Resistant | Extra Flexibility, Black, 36

The Speedo Thinstrap Swimsuit is designed for maximum comfort and performance. Its thin strap and open back allow for unrestricted shoulder movement, making it perfect for your training sessions. The high cut leg offers excellent flexibility, ensuring you can move freely in the water. Made from 100% chlorine-resistant Endurance+ fabric, it dries quickly and is built to last. Notably, this eco-friendly swimsuit incorporates 50% recycled materials, contributing to a more sustainable swimwear option.

What We Like
Eco-friendly materials
Chlorine resistant
Unrestricted shoulder movement
Quick-drying fabric
Flexible design for training
#TOP 8

Arena Women's Solid Challenge Team Swimsuit

004766-750-36
Navy/White
Arena Women's Solid Challenge Team Swimsuit Cover
Arena Womens TEAM SWIMSUIT CHALLENGE SOLID, Navy/White, 36 EU

The Arena Solid Challenge Swimsuit is designed for both comfort and performance in the water. Made from MaxLife fabric, it dries quickly and is durable, perfect for your intensive training sessions. The material also offers excellent chlorine resistance and UPF 50+ UV protection, ensuring you stay safe from harmful rays while swimming. With its thin shoulder straps and open back, this swimsuit allows for freedom of movement, making it easier for you to swim without restrictions.

What We Like
Durable MaxLife fabric
Quick-drying properties
Excellent chlorine resistance
Comfortable and secure fit
Eco-friendly materials
#TOP 9

Speedo Women's Eco Endurance+ Legsuit Swimsuit

8135410
Black
Speedo Women's Eco Endurance+ Legsuit Swimsuit Cover
Speedo Women's Eco Endurance+ Legsuit Swimsuit| Chlorine Resistant | Recycled Fabric | Swim Fitness | Training | Holiday, Black, 32

The Speedo Eco Endurance+ Legsuit is designed for quality and comfort, making it ideal for both long and short swims. With its inner bust shelf liner and classic cut, you can enjoy extra coverage during your regular pool sessions. The swimsuit features eco-friendly fabric that is 100% chlorine-resistant and quick-drying, ensuring long-lasting wear. Additionally, it is made from 50% recycled materials, including post-consumer waste, helping you feel good about your swim choices.

What We Like
Comfortable and stylish design
Chlorine-resistant for durability
Eco-friendly recycled fabric
Extra coverage for confidence
#TOP 10

Speedo Women's Medley Logo One Piece Swimsuit

8-1347416
Speedo Women's Medley Logo One Piece Swimsuit Cover
Speedo Women's Medley Logo 1 Piece Swimsuit | Classics | Medalist Style, True Navy/Picton Blue, 32

The Speedo Medley Swimsuit is designed with a Medalist style that enhances shoulder movement and flexibility, making it perfect for your training sessions. The contrast colour pop straps and plastisol print add a stylish touch while maintaining functionality. With higher chlorine resistance than standard fabrics, this swimsuit will retain its fit and quality for longer. Additionally, the shape retention feature ensures the fabric stretches comfortably, allowing you to swim freely without any restrictions.

What We Like
Flexible shoulder movement
Stylish colour contrast
High chlorine resistance
Comfortable stretch fabric
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are competitive swim suits called?

The style of men's competition swimsuits is called a jammer. With the extreme focus placed on compression technology, you can easily see why. As suit rules have ebbed and flowed over the years, current international specifications dictate a suit for men that can run only from the belly button to the top of the knees.

2. What is a women's one-piece bathing suit called?

The maillot (UK: /mʌɪˈəʊ/; US: /maɪˈoʊ, maɪˈjoʊ/) is the fashion designer's name for a woman's one-piece swimsuit, also called a tank suit. A maillot swimsuit generally consists of a tank-style torso top with high-cut legs.

3. What was the one-piece swimming suit once called?

Kellerman marketed a line of bathing suits and her style of one-piece suits came to be known as "the Annette Kellerman". The one-piece swimming tights became accepted swimsuit attire for women in parts of Europe by 1910. Harper's Bazaar praised the Kellerman swimsuit, writing in June 1920 (vol.

4. Are one piece swimsuits flattering?

Not only are one-piece swimsuits extremely flattering on practically every body type, but they also look super glamorous in poolside selfies.

Editor's Notes

During our competitive swimwear women one-piece suit research, we found 306 competitive swimwear women one-piece suit products and shortlisted 10 quality products. We collected and analyzed 22,540 customer reviews through our big data system to write the competitive swimwear women one-piece suits list. We found that most customers choose competitive swimwear women one-piece suits with an average price of £21.07.

The competitive swimwear women one-piece suits are available for purchase. We have researched hundreds of brands and picked the top brands of competitive swimwear women one-piece suits, including Speedo, Arena.

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!