Best 6 Girls Athletic One Piece Swimsuits in 2026

Sporty back style keeps straps in place

Durable fabric provides superior chlorine resistance

Silicone grippers at leg Openings prevent suit from riding up

Chlorine resistant; Durable polyester fabric last longer than traditional Nylon fabric

Fully lined prevents fabric transparency and offers support

Built-in shelf bra with soft removable cups

PERFORMANCE DESIGN: Perfect for training, racing, and recreation, TYR's Diamondfit one piece girl swimsuit is ideal for athletes who want reliable coverage during every swim.

TYRECO FABRIC: Made of 80% recycled nylon (requiring less energy to produce) and 20% Lycra XTRA LIFE fiber — resists damage from chlorine and lotions up to 10 times longer than swimsuits made with unprotected spandex.

CLASSIC FIT: TYR's Diamondfit swimsuit design features sleek, flexible straps, a medium neckline, keyhole back, and a moderately cut leg.

Chlorine resistant; Durable polyester fabric last longer than traditional Nylon fabric

Fully lined prevents fabric transparency and offers support

Built-in shelf bra with soft removable cups

Chlorine resistant; Durable polyester fabric last longer than traditional Nylon fabric

Fully lined prevents fabric transparency and offers support

Built-in shelf bra with soft removable cups

Chlorine resistant; Durable polyester fabric last longer than traditional Nylon fabric

Fully lined prevents fabric transparency and offers support

Built-in shelf bra with soft removable cups

Chlorine resistant; Durable polyester fabric last longer than traditional Nylon fabric

Conservative coverage; Low leg cut and modest neckline

Racer back allows full range of arm motion; Wide straps offer enough support and comfort

Material: The tummy control bathing suit for women teen girls is made of 80% Nylon + 20% Elastane with quick-drying fabric and adopts professional stitching technology, making the swimsuits more durable, elastic and comfortable. Meanwhile, it is easy to care with good impact strength, high elastic recovery and soft hand feel. Quick-drying fabric can stay fresh at all times, let you enjoy the good times of the holiday.

Tummy Control Design: The one piece maternity swimsuit features retro style with plenty gathered ruched design on the front from waist hides belly flaws, creating a slimming effect, flattering and slimming look. It is a really soft plus size swimwear fit for all the stature and very comfortable to wear and swim in. Promises a flattering for your holiday trip this year!

V Neckline & Adjustable Strap: Unlike most other bathing suit, this one piece plus size swimwear features with V neckline and full coverage design, giving full coverage to your body while still looks stylish. With adjustable shoulder strap so that you can accordingly adjust the length to fit your stature properly. And the strap is not narrow, it is not easy to slip off, ensuring maximum comfort while doing any water activities.

ULTRA DURABLE: PowerFlex fabric lasts 5-10x longer than ordinary spandex

FASTER MUSCLE RECOVERY: Compression technology increases circulation for faster muscle recovery and chafe-free movement

CHLORINE-RESISTANT: Resists fading, sagging, and bagging

Material: The tummy control bathing suit for women teen girls is made of 80% Nylon + 20% Elastane with quick-drying fabric and adopts professional stitching technology, making the swimsuits more durable, elastic and comfortable. Meanwhile, it is easy to care with good impact strength, high elastic recovery and soft hand feel. Quick-drying fabric can stay fresh at all times, let you enjoy the good times of the holiday.

Tummy Control Design: The one piece maternity swimsuit features retro style with plenty gathered ruched design on the front from waist hides belly flaws, creating a slimming effect, flattering and slimming look. It is a really soft plus size swimwear fit for all the stature and very comfortable to wear and swim in. Promises a flattering for your holiday trip this year!

V Neckline & Adjustable Strap: Unlike most other bathing suit, this one piece plus size swimwear features with V neckline and full coverage design, giving full coverage to your body while still looks stylish. With adjustable shoulder strap so that you can accordingly adjust the length to fit your stature properly. And the strap is not narrow, it is not easy to slip off, ensuring maximum comfort while doing any water activities.

Material: The tummy control bathing suit for women teen girls is made of 80% Nylon + 20% Elastane with quick-drying fabric and adopts professional stitching technology, making the swimsuits more durable, elastic and comfortable. Meanwhile, it is easy to care with good impact strength, high elastic recovery and soft hand feel. Quick-drying fabric can stay fresh at all times, let you enjoy the good times of the holiday.

Tummy Control Design: The one piece maternity swimsuit features retro style with plenty gathered ruched design on the front from waist hides belly flaws, creating a slimming effect, flattering and slimming look. It is a really soft plus size swimwear fit for all the stature and very comfortable to wear and swim in. Promises a flattering for your holiday trip this year!

V Neckline & Adjustable Strap: Unlike most other bathing suit, this one piece plus size swimwear features with V neckline and full coverage design, giving full coverage to your body while still looks stylish. With adjustable shoulder strap so that you can accordingly adjust the length to fit your stature properly. And the strap is not narrow, it is not easy to slip off, ensuring maximum comfort while doing any water activities.

Fabric : 80% Nylon, 20% Xtra Life Lycra, Lining : 90% Polyester, 10% Spandex.

Extra life lycra fabric with the improved long-lasting fit and lasts 5-10 times longer than ordinary Spandex. Super-strong flat-lock stitching.

Provides exceptional chlorine resistance. Improved comfort with a softer feel and superior shape retention.

Fabric : 80% Nylon, 20% Xtra Life Lycra, Lining : 90% Polyester, 10% Spandex.

Extra life lycra fabric with the improved long-lasting fit and lasts 5-10 times longer than ordinary Spandex. Super-strong flat-lock stitching.

Provides exceptional chlorine resistance. Improved comfort with a softer feel and superior shape retention.

Women athletic two piece swimsuits High-neck bikini set, zipper back bathing suit, ruching bikini bottom, crop bikini top, padded for support about this swimsuit, it is a high waisted swimsuit, tummy control swimsuit two piece, this sports swimsuits have Full back with moderate rear coverage and lower leg line. And the swimsuit will reveal your assets with tantalizing strappy details! This is such a cute bathing suit, a swimsuit for teen girl and women.

Women athletic two piece swimsuits. Padded bikini set for women, Removable cups tankini set, Shelf bra has soft molded cups and elastic under the bust for support about this swimsuit two pieces. This sports swimsuit has foam shaping cups for added curves. This sexy summer bikini set is ready to accent your curves and show off your style! This swimsuit is very flattering, You'll go bananas for this swimsuit!, swimsuits are flattering to all body types.Perfect cute suit for a fashionable getaway.

Sports style high waisted swimsuit, tummy control two piece swimsuits for women, This bikini set for curvy women who like a smooth tummy, this bikini set features extra fabric along both side seams, the swimsuit two pieces both left and right seams are ruched, This swimsuit allowing the fabric to drape elegantly across the tummy, the swimsuit hiding bumps bulges. The swimsuit ruching side flatter your curves with comfy fit. This swimsuits bathing suit fits girls women.

PERFORMANCE DESIGN: Perfect for training, racing, and recreation, TYR's Diamondfit one piece girl swimsuit is ideal for athletes who want reliable coverage during every swim.

TYRECO FABRIC: Made of 80% recycled nylon (requiring less energy to produce) and 20% Lycra XTRA LIFE fiber — resists damage from chlorine and lotions up to 10 times longer than swimsuits made with unprotected spandex.

CLASSIC FIT: TYR's Diamondfit swimsuit design features sleek, flexible straps, a medium neckline, keyhole back, and a moderately cut leg.

PERFORMANCE DESIGN: Perfect for training, racing, and recreation, TYR's Diamondfit one piece girl swimsuit is ideal for athletes who want reliable coverage during every swim.

TYRECO FABRIC: Made of 80% recycled nylon (requiring less energy to produce) and 20% Lycra XTRA LIFE fiber — resists damage from chlorine and lotions up to 10 times longer than swimsuits made with unprotected spandex.

CLASSIC FIT: TYR's Diamondfit swimsuit design features sleek, flexible straps, a medium neckline, keyhole back, and a moderately cut leg.

High Quality Stretch Swim Fabric: Made of Nylon and Spandex.UPF 50 sun protection,quick-drying, elastic and comfortable.

Athletic Swimsuit:Built-in fully lined with Adjustable shoulder straps back for maximum comfort.

Built with removable padded soft bra for adequate support and shaping and medium coverage leg cut for maximum privacy.

High Quality Stretch Swim Fabric: Made of Nylon and Spandex.UPF 50 sun protection,quick-drying, elastic and comfortable.

Athletic Swimsuit:Built-in fully lined with Adjustable shoulder straps back for maximum comfort.

Built with removable padded soft bra for adequate support and shaping and medium coverage leg cut for maximum privacy.

【Comfortable&Durable】 The 4-way stretch fabric ensuring optimal comfort and fit in the water. Durable nylon-blend liner brings smooth snug supportive fit and reduces resistance of water.

【Sporty&Stylish】Karrack's womens bathing suits with racerback strap to make the best fit, charming and elegant. Fashion design printed contrast side splicing and piping creates a slimming effect.

【Boyleg】The boyleg one piece swimsuits have removable built-bra with two layers lining front to provide great support and shape. chlorine resistant, colorfast, push up, Quick-dry, modest and tummy control.

High Quality Stretch Swim Fabric: Made of Nylon and Spandex.UPF 50 sun protection,quick-drying, elastic and comfortable.

Athletic Swimsuit:Built-in fully lined with Adjustable shoulder straps back for maximum comfort.

Built with removable padded soft bra for adequate support and shaping and medium coverage leg cut for maximum privacy.

High Quality Stretch Swim Fabric: Made of Nylon and Spandex.UPF 50 sun protection,quick-drying, elastic and comfortable.

Athletic Swimsuit:Built-in fully lined with Adjustable shoulder straps back for maximum comfort.

Built with removable padded soft bra for adequate support and shaping and medium coverage leg cut for maximum privacy.

Premium Fabrics: Girls one-piece swimsuit is lined in front with a high-quality stretch nylon tricot mesh for durable wear and an opaque appearance. Front lined double layered material that is breathable, quick drying and chlorine resistant. Over extended use, it will not become baggy or sag. Girls bathing suit skin-friendly and comfortable for the big girl to wear.

Sporty Design: Girls swimsuit bathing suit features a popular athletic style with racerback straps for full range of motion. Ideal for training, competition, and fitness swimming.

UPF 50+ sun protection: This athletic swimming suit for girls can block more than 98% of the sun's harmful UV radiation. Girls' swimwear takes care of every inch of your girls delicate skin against sand and sun for worry free play all day long.

Durable, sleek and eco-friendly, the Girls’ TYReco Solid Maxfit Swimsuit is a triple threat.

Our one-of-a-kind TYReco textile, constructed from recycled fabric, requires less energy to produce, creating a lower level of CO2 pollution.

Featuring a medium neckline, thick/supportive straps, keyhole back and moderate cut leg, our Maxfit swimsuits are built for athletes who want fuller coverage during every swim.

Stretchy spandex material for comfort.

Racerback design for range of motion.

Colored straps and a Swoosh design trademark at the upper left chest add sporty style.

Juniors' swimsuit made with chlorine-resistant fabric

TIGHT FIT: Wears next to skin

SOFT AND DURABLE: Infinitex Fitness Eco chlorine-resistant fabric is ultra-flat and soft with recycled nylon content

Material: One Piece Swimsuits for Women, made of High quality 85% nylon+15% spandex, quick dry, stretchy and comfortable to wear. Soft subtle finish moves nicely with the body.

Design: Swimsuits for Women, Wirefree padded shelf-bra for slightly support and shaping. Athletic one piece swimsuit with racerback and wide shoudler straps, unique design is special for you make you looks charming and sexy.

Feature: Swimming suit for women, active swimsuit with soft front lining, modest and comfortable to wear, with contrast splicing creates a sporty and slimming effect. This swimsuit selling backs features wide straps for ultimate support and comfort.

🌈 Credible Brand - we are devoted to offering high standard in swimwear for women with exquisite design and superlative craftsmanship. Soak up the sun with these stunning sexy bikini set for women which is available in a variety of patterns.

🌈 High Quality Fabric: 86% nylon + 14% spandex. This Split Skirt Swimsuit Set is soft, mid-stretch and finely crafted, stylish yet sexy, and shows off your figure. 5 Size To Choose: S / M / L / XL / 2XL/ 3XL. Please Be Carefully Read The SIZE CHART And Size Details In The Description Before You Buying The Swimwear. And Make Sure You Choose The Suitable Size, In Order To Better Display Your Beauty Body.

🌈 Fashionable Design: Suitable for all body types, chic design, comfortable to wear and convenient for underwater activities. Showcasing the curves of your figure, the adjustable shoulder straps provide support and shape, and can be adjusted to the right size for a more stylish and sexy look.

【Style】Our bikini swimsuits come in a variety of styles, including triangle, bandeau, and halter, to suit your unique taste and body type. Whether you're hitting the beach, lounging by the pool, or jetting off to a tropical destination, our bikini swimsuits are perfect for any occasion.

【Material】Made from excellent materials like nylon and spandex, to ensure durability and comfort. Our bikinis provide a comfortable and stretchy fit that moves with you in and out of the water.

【Pattern】Choose from a variety of patterns, including tropical prints, stripes, and florals, to add a touch of personality to your swimwear. With a range of colors to choose from, including bold and vibrant hues, classic neutrals, and playful prints, you'll find the perfect bikini to match your personal style.