Best Stretch Competitive Swimwear Women One-Piece Suits of 2025

The Speedo Medley Swimsuit features a Medalist design that enhances your shoulder movement, making it perfect for training sessions. With higher chlorine resistance than typical swimwear fabrics, it retains its fit and feel for longer. Enjoy unrestricted swimming thanks to its shape retention, allowing the fabric to stretch comfortably with your movements. Additionally, it is made from 100% pre-consumer waste, promoting sustainability while you swim. This swimsuit is ideal for those seeking performance and eco-friendliness in their swimwear.

The Speedo HyperBoom Swimsuit is designed for comfort and style in the pool. Its muscleback design allows you to move freely, making your workouts enjoyable and unrestricted. With a medium leg cut, you can swim with confidence while the shape retention fabric ensures a snug fit. The swimsuit is made from 100% chlorine-resistant Endurance+ fabric, which dries quickly and is built to last. Plus, it’s eco-friendly, incorporating recycled materials into its design, letting you swim while supporting sustainable practices.

The Speedo Deep U-Back Swimsuit features a stylish scoop neck design with a deep U-back and high cut leg, allowing you to move freely while swimming. The front and back lining provides added comfort and modesty, especially when wearing bright colours. Made from waffle textured stretch nylon fabric, this swimsuit offers both style and functionality. Additionally, the fabric is environmentally friendly, as it utilises 100% pre-consumer waste materials, making it a sustainable choice for your swimwear collection.

The Speedo Flex Band Swimsuit is designed with a flattering square neckline and an innovative Racerback, allowing you full range of arm movement. It features bust support that combines internal and external seamlines to securely encapsulate and compress the bust, ensuring comfort during your swim. The J Fit Elastic Underband adds to the comfort, adapting to your changing shape and size. Additionally, Power Mesh inserts provide extra support while promoting ventilation and water flow, making your swim experience more enjoyable.

The Womens One Piece Swimsuit offers a unique design crafted from soft, stretchy fabrics that accentuate your curves while providing a slimming effect. The zippered closure minimizes skin irritation and ensures easy wear, allowing you to focus on enjoying your time at the beach or pool. With a built-in bra, this swimsuit delivers essential support and comfort, while the wide shoulder straps alleviate pressure. Made from high-quality materials, it is lightweight and breathable, keeping you cool during hot summer days.

The Speedo Endurance+ Swimsuit is crafted from exclusive Endurance+ fabric, which is chlorine resistant and lasts 20 times longer than standard swimwear. This ensures that your swimsuit remains in excellent condition swim after swim. The four-way stretch technology provides a snug fit while maintaining comfort, allowing you to move freely in the water. Additionally, the thin, streamlined straps are reinforced for durability, meaning you can rely on this swimsuit for extensive training sessions. It dries quickly and resists fading, ensuring a long-lasting vibrant look.

The Arena Waterpolo One Piece is designed for optimal performance and comfort during water polo. Featuring a convenient zipper closure, you can easily put it on and take it off. The high neckline provides excellent coverage, ensuring you feel secure while playing. Made from 100% chlorine-resistant polyester, this swimsuit offers maximum durability, allowing you to focus on your game without worrying about wear and tear. With its natural stretch, you will enjoy a comfortable fit throughout the day.

The Veranobreeze Athletic Swimsuit is designed for competitive training, featuring a blend of 82% polyamide and 18% elastane for excellent stretch and chlorine resistance. The criss-cross racerback design allows for a full range of motion, ensuring your shoulders remain comfortable and straps stay in place. Fully lined for moderate coverage, it also offers some tummy control, flattering your figure as you swim. Ideal for various water activities, this swimsuit combines style with functionality, making it a perfect choice for your fitness journey.

The Speedo Boomstar Swimsuit is designed with a muscle back that enhances your flexibility and freedom of movement in the water, allowing you to swim comfortably. Its front and back lining improves overall comfort, helping you focus on your performance. With higher chlorine resistance than standard swimwear, the fabric retains its quality and fit, ensuring it feels like new for longer. Additionally, the shape retention feature lets the fabric stretch with you, so you can enjoy your swim without any restrictions.

The ATTRACO One Piece Swimsuit is crafted from chlorine-resistant, quick-drying fabric that stretches in four directions, ensuring durability and comfort during your swim sessions. Its stylish design features vibrant colour blocking and curve-skimming piping, making you look fashionable while you train. With high-performance wide straps and a racerback style, this swimsuit minimises water resistance, allowing you to move with agility in the water. The built-in cups provide essential support, ensuring you feel secure and comfortable as you enjoy various water activities.