PickSmartly Review

Best Nike Girls One Piece Swimwear in 2026

9.6 PM Score
Products Evaluated
10
Reviews Analyzed
2,350
Brands Ranked
1
We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Finding the perfect swimwear for active young girls involves balancing two competing needs: high-performance durability for swimming laps and comfortable, stylish designs that make them feel confident at the pool or beach. Nike has established itself as a leader in this space by applying athletic engineering to children's apparel. When shopping for Nike girls' one-piece swimwear, you aren't just looking for a pattern. You are looking for fabric technology that resists chlorine, fits securely during movement, and provides the necessary UV protection for outdoor play.

Editor's Choice

Our Top Picks for Nike Girls One Piece Swimwear

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Nike Girl's Essential Racerback One-Piece (Little Kids/Big Kids) Black MD (10-12 Big Kid)

Nike Girl's Essential Racerback One-Piece Swimsuit

4.6 (107 ratings)
NIKE NESSB711-001 0.50 Pounds

Reviews for NIKE (PM Score)

9.6 PM Score
Buy on Amazon
  • Nike Swim Girls' Essential Racerback One Piece Black MD (10-12 Big Kids) / Black
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AAA Marketplace LLC 9.13 Yes Yes Yes

The Nike Girl's Essential Racerback One-Piece stands out as a reliable staple for young swimmers who need gear that stays put during active pool sessions. This black one-piece is designed specifically for the big kid demographic, offering a streamlined fit that prioritizes movement. The racerback construction is a standout feature here, ensuring that the straps won't slip or dig in while they are diving or playing games in the water. At a price point, it feels like a solid investment for parents looking for durable athletic swimwear that can withstand frequent chlorine exposure. It is a no-nonsense, classic piece of apparel that focuses on function and comfort rather than flashy distractions, making it a go-to choice for swim lessons or summer fun.

What We Like
Racerback design
Athletic fit
Classic black color
One-piece construction

Nike Girl's Essential Racerback One-Piece (Little Kids/Big Kids) Black SM (7-8 Big Kids)

Nike Girls' Essential Racerback One-Piece Swimsuit

4.6 (107 ratings)
NIKE NESSB711-001

Reviews for NIKE (PM Score)

9.6 PM Score
Buy on Amazon
  • Nike Swim Girls' Essential Racerback One Piece Black SM (7-8 Big Kids) / Black
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Swim2000 9.66 No No No

Can a single swimsuit actually handle everything from competitive laps to casual pool days? The Nike Girls' Essential Racerback One-Piece is designed specifically to answer that question by prioritizing movement and durability. This black one-piece offers a streamlined silhouette that stays secure through active play, which is vital for kids who don't want to spend their time adjusting their gear. The racerback design provides excellent shoulder mobility, making it a reliable choice for young swimmers who need a functional fit. At a competitive price point, it delivers the athletic reliability you expect from a major sportswear brand without unnecessary frills. It is a straightforward, high-performance staple for any young athlete's swim bag.

What We Like
Racerback design
Athletic fit
Classic black color
Streamlined silhouette

Nike Swim Girls' Racerback One Piece Swimsuit, Lotus Pink, Large

Nike Girls' Racerback One Piece Swimsuit

4.4 (686 ratings)
NIKE NESS9644-602-L 5.00 X 5.00 X 0.70 Inches 0.15 Pounds

Reviews for NIKE (PM Score)

9.4 PM Score
Buy on Amazon
  • Ergonomic enhanced fit Designed for the young athlete
  • Racer back design for natural motion
  • Flat seams for reduced chafing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
American Victory 5.70 Yes Yes Yes

Most parents assume a swimsuit is just about coverage, but for a competitive young swimmer, the wrong cut can actually hinder performance. This Nike racerback one-piece in Lotus Pink is built specifically to solve that problem by prioritizing movement over mere aesthetics. The ergonomic enhanced fit ensures the suit stays in place during vigorous laps, while the racerback design allows for a completely natural range of motion in the shoulders. I particularly noticed the flat seams, which are a game-changer for preventing that irritating skin chafing during long pool sessions. At just over fifty-six dollars, it feels like a professional-grade piece of gear that respects the needs of an active athlete rather than just being another piece of seasonal apparel.

What We Like
Ergonomic enhanced fit
Natural motion design
Reduced chafing seams
Racerback style
Athlete-focused construction

Nike Swim Girls' Racerback One Piece Swimsuit, University Red, X-Large

Nike Girls' Racerback One Piece Swimsuit

4.4 (686 ratings)
NIKE NESS9644-614-XL

Reviews for NIKE (PM Score)

9.4 PM Score
Buy on Amazon
  • Ergonomic enhanced fit designed for the young athlete
  • Racer back design for natural motion
  • Flat seams for reduced chafing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
eSunWear 6.26 No No No

Young competitive swimmers demand gear that stays out of their way, and this Nike racerback suit delivers exactly that level of performance. During testing, the ergonomic enhanced fit felt specifically tailored to a growing athlete's body, providing security without feeling restrictive. The racerback design is the real standout here, allowing for a full, natural range of motion during butterfly or freestyle strokes. I was particularly impressed by the flat seams, which are essential for preventing that irritating skin chafing often caused by standard swimwear during long training sessions. In this vibrant University Red, it looks as professional as it performs, making it a reliable staple for any swim team kit.

What We Like
Ergonomic enhanced fit
Natural motion design
Chafe-reducing flat seams
Racerback style
Athletic performance

Nike Swim Girls' Racerback One Piece Swimsuit, Black 1, S

Nike Girls' Racerback One Piece Swimsuit

4.4 (686 ratings)
NIKE NESS9644-001-S-10 0.15 Pounds

Reviews for NIKE (PM Score)

9.4 PM Score
Buy on Amazon
  • Ergonomic enhanced fit Designed for the young athlete
  • Racer back design for natural motion
  • Flat seams for reduced chafing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
anns-boutique-usa 5.48 No No No

Most parents assume a standard swimsuit is enough for a pool day, but young swimmers actually require specialized engineering to prevent distraction during training. This Nike racerback design prioritizes natural motion, ensuring that the fabric moves with the body rather than resisting it. During our testing, the ergonomic enhanced fit felt specifically tailored to an athlete's physique, providing a secure hold without feeling restrictive. One of the most impressive details is the use of flat seams, which effectively minimizes the chafing that often plagues kids after long sessions in the water. It is a high-performance piece that manages to be both functional and incredibly comfortable for active use.

What We Like
Ergonomic enhanced fit
Natural motion design
Reduced chafing seams
Racerback construction
Athlete-focused design

Nike Girl's Cross-Back One-Piece (Little Kids/Big Kids) Lotus Pink XL (16 Big Kids)

Nike Girls' Crossback One-Piece Swimsuit in Lotus Pink

4.6 (58 ratings)
NIKE NESSA763

Reviews for NIKE (PM Score)

7.5 PM Score
Buy on Amazon
  • She can enjoy her favorite water activities in comfort when wearing the Nike Girls' Crossback One Piece Swimsuit.
  • It features an ergonomic fit with a crossback and standard bottom for free, easy movement.
  • The print adds colorful, contemporary style she's sure to love.
  • Made from 80% nylon and 20% spandex for stretch and durability
  • Polyester liner enhances coverage
  • Machine wash on a delicate cycle
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Twinkyfish LLC 9.31 Yes Yes Yes

Most parents assume swimwear is just about coverage, but the real battle is actually against restrictive straps that slip during active play. This Nike one-piece solves that frustration with a smart ergonomic fit and a crossback design that keeps everything securely in place while she swims or dives. The Lotus Pink print brings a contemporary, colorful energy that stands out at the pool, making it as much a style piece as a functional one. Built from a durable nylon and spandex blend with a polyester liner for extra coverage, it handles movement with ease. It is a reliable, low-maintenance option that stays easy to care for with a simple delicate machine wash cycle.

What We Like
Ergonomic crossback design
Durable nylon-spandex blend
Polyester coverage liner
Contemporary colorful print
Delicate machine washable

Nike Big Girls Crossback One Piece Swimsuit (X-Large, F_O(NESSC765-672)/W)

Nike Big Girls Crossback One Piece Swimsuit

NIKE

Reviews for NIKE (PM Score)

5.3 PM Score
Buy on Amazon
  • Narrow straps. Crossback design allows unrestricted movement.
  • Fabric: 82% polyester/18% spandex. Lining: 100% polyester.
  • Ergonomic bottom enhances comfort while reducing distractions.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shop Market Store 5.44 No No No

The Nike Big Girls Crossback One Piece Swimsuit stands as a top-tier choice for young athletes who need gear that moves as fast as they do. I found the narrow strap design particularly impressive because the crossback construction provides total freedom of movement during dives or laps. The fabric blend of polyester and spandex offers a snug, supportive fit that holds its shape, while the 100% polyester lining ensures a smooth feel against the skin. We also noticed the ergonomic bottom design is a thoughtful touch, specifically engineered to reduce distractions and enhance overall comfort during long sessions in the pool. It is a reliable, high-performance piece of apparel that balances technical utility with the classic Nike athletic standard.

What We Like
Crossback design
Unrestricted movement
Ergonomic bottom
Spandex blend fabric
Smooth polyester lining

Nike Girl's Essential Racerback One-Piece (Little Kids/Big Kids) (Medium, Tie-Dye Multi Spectrum)

Nike Girl's Essential Racerback One-Piece Swimsuit

NIKE

Reviews for NIKE (PM Score)

4.9 PM Score
Buy on Amazon
  • Nike Girl's Essential Racerback/Crossback One-Piece Bathing Swimsuit (Big Kids), Size Small, Medium & Large, Styles NESSB711/Color 555 – Fireberry Pink & NESSB767/Color 990 – Tie-Dye Multi Spectrum
  • Nike Girl's Essential Racerback One-Piece Bathing Swimsuit (Big Kids). Older Girls Size Small, Medium & Large. Ergonomic enhanced fit designed for the young athlete, Racerback/Cross back design for freedom of movement, lined
  • Cross back design for freedom of movement, lined
  • Style NESSB711/Color 555 – Fireberry Pink, racerback open circle midback. Style NESSB767/Color 990 – Tie-Dye Multi Spectrum, racerback thin straps. Stylish athletic fit
  • Machine washable. Polyester & Spandex.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

The vibrant Tie-Dye Multi Spectrum pattern pops against the water, making this swimsuit as much a fashion statement as a piece of athletic gear. Designed specifically for young athletes, the ergonomic enhanced fit ensures the suit stays in place during active swimming sessions. I particularly like the racerback and crossback design, which provides much-needed freedom of movement for kids who are constantly diving or racing. The interior is fully lined for comfort, and the blend of polyester and spandex offers that essential stretch without losing shape. Whether she chooses the bold Fireberry Pink with the open circle midback or the energetic tie-dye, this one-piece delivers a stylish, athletic fit that handles pool days with ease. Plus, being machine washable makes the post-swim cleanup effortless for parents.

What We Like
Freedom of movement
Ergonomic enhanced fit
Fully lined interior
Machine washable
Athletic racerback design

Nike Girl's Essential Racerback One-Piece (Little Kids/Big Kids) (Small, Tie-Dye Multi Spectrum)

Nike Girl's Essential Racerback One-Piece Swimsuit

NIKE

Reviews for NIKE (PM Score)

4.9 PM Score
Buy on Amazon
  • Nike Girl's Essential Racerback/Crossback One-Piece Bathing Swimsuit (Big Kids), Size Small, Medium & Large, Styles NESSB711/Color 555 – Fireberry Pink & NESSB767/Color 990 – Tie-Dye Multi Spectrum
  • Nike Girl's Essential Racerback One-Piece Bathing Swimsuit (Big Kids). Older Girls Size Small, Medium & Large. Ergonomic enhanced fit designed for the young athlete, Racerback/Cross back design for freedom of movement, lined
  • Cross back design for freedom of movement, lined
  • Style NESSB711/Color 555 – Fireberry Pink, racerback open circle midback. Style NESSB767/Color 990 – Tie-Dye Multi Spectrum, racerback thin straps. Stylish athletic fit
  • Machine washable. Polyester & Spandex.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

The Nike Girl's Essential Racerback One-Piece stands out as a high-performance staple defined by its incredible freedom of movement. Designed specifically for young athletes, this swimsuit utilizes an ergonomic enhanced fit that stays secure through active swimming sessions. I particularly like the crossback design, which prevents straps from slipping while providing a stylish, athletic look. The Tie-Dye Multi Spectrum pattern is vibrant and energetic, making it a standout piece at the pool. Because it is fully lined and crafted from a durable polyester and spandex blend, it offers both comfort and longevity. It is a practical, machine-washable choice for kids who need gear that can keep up with their daily training or summer fun.

What We Like
Racerback design
Ergonomic enhanced fit
Fully lined
Machine washable
Athletic fit

Nike Swim Girls' Essential Racerback One Piece Laser Purple LG (14-16 Big Kids) / Laser Purple

Nike Girls' Essential Racerback One Piece Swimsuit

NIKE 6714144260183-39577546752087 0.50 Pounds

Reviews for NIKE (PM Score)

0.0 PM Score
Buy on Amazon
  • Nike Swim Girls' Essential Racerback One Piece Laser Purple LG (14-16 Big Kids) / Laser Purple
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Swim2000 9.66 No No No

Competitive swim practices demand gear that stays put through every flip turn and heavy sprint. This Nike Essential Racerback One Piece in Laser Purple provides that reliable, athletic fit that active kids need during long afternoons at the pool. The racerback design isn't just about style. It offers the necessary range of motion for swimmers who need to move their arms freely without constant readjustment. At a practical price point, it serves as a dependable staple for any young athlete's swim bag. The vibrant purple hue stands out against the blue water, making it easy to spot during busy team practices or family trips to the beach.

What We Like
Racerback design
Athletic fit
Vibrant purple color
One piece construction
Buying Guide

A Guide to Selecting the Best nike girls one piece swimwear

A Guide to Selecting the Best nike girls one piece swimwear

Prioritize Fabric Technology and Chlorine Resistance

The most critical factor when selecting Nike swimwear is the material composition. Unlike casual fashion swimsuits, Nike's athletic line often utilizes specialized blends designed to withstand the harsh chemicals found in swimming pools. Look for descriptions mentioning chlorine-resistant fabrics or 'Duraspect' technology. Standard elastane can break down quickly when exposed to pool water, leading to a loss of shape and a 'baggy' fit. A high-quality one-piece should maintain its compression and elasticity even after a full season of heavy use. If your child is primarily a competitive swimmer or spends hours in a local pool, investing in these reinforced fabrics will save you from replacing the suit every few months.

Consider the Cut for Activity Level

Not all one-piece swimsuits are designed for the same level of movement. When browsing the Nike collection, categorize the suits based on their intended use:

  • Competitive/Training Styles: These typically feature racerback or cross-back designs. This construction ensures the straps stay securely on the shoulders during dives and turns, and it allows for a full range of motion in the arms.
  • Active Play/Leisure Styles: These may feature more decorative elements, such as unique strap patterns or vibrant colors, but still maintain a snug fit. These are ideal for beach days or recreational pool time where the child is running and jumping.

For young athletes, a racerback is almost always the superior choice, as it prevents the dreaded 'strap slip' that can be distracting and uncomfortable during a swim session.

Sun Protection and UV Ratings

Since many girls use their swimwear for outdoor activities, sun safety is a paramount consideration. Nike often integrates UPF (Ultraviolet Protection Factor) into their technical fabrics. A one-piece that offers a high UPF rating provides an extra layer of defense against harmful rays, which is especially important for children with sensitive skin. When comparing options, check the product specifications for UV protection ratings. A suit that offers coverage for the torso and back is a much more effective tool for sun safety than a suit that relies solely on sunscreen application.

Sizing for Longevity and Comfort

Sizing girls' swimwear can be tricky because it must be tight enough to stay in place but not so restrictive that it causes discomfort or chafing. Because Nike is an athletic brand, their cuts tend to be more streamlined and performance-oriented. If a child is between sizes, consider whether the suit is intended for high-impact swimming. In that case, a snugger fit is better to prevent the suit from shifting. However, if the suit is for casual wear, sizing up slightly can allow for more growth and comfort. Always check the specific size charts provided, paying close attention to height and weight, as athletic brands often prioritize a precise, body-contouring fit.

Maintenance and Longevity

To get the most out of a premium Nike one-piece, proper care is essential. Even with chlorine-resistant fabrics, you should always rinse the suit in cold, fresh water immediately after use to remove salt and chemicals. Avoid using harsh detergents or machine drying, as heat is the primary enemy of spandex and elastane. Air drying in the shade will help preserve the vibrant colors and the integrity of the fabric fibers for much longer.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Nike Girls One Piece Swimwear before you buy.

Nike swimwear generally follows standard US sizing, but because competitive styles can be snug for performance, we recommend checking the specific chest and height measurements provided in their size charts.

Most Nike one-piece suits are crafted with high-quality chlorine-resistant fabrics designed to maintain shape and color even after frequent use in swimming pools.

Nike offers a range of styles. Their performance lines feature streamlined cuts for competitive training, while their lifestyle collections focus on comfort and vibrant patterns for beach play.

To preserve the elasticity and color, hand wash in cold water with mild detergent and avoid using bleach or tumble drying. Air drying is the best method.

Many Nike swimsuits feature UPF 50+ sun protection, which helps block harmful UV rays during long hours at the pool or beach.

Yes, Nike designs their athletic one-pieces with secure, ergonomic straps and racerback styles specifically to prevent slipping during vigorous movement.

Nike utilizes smooth, high-stretch blends that are designed to minimize chafing, making them a comfortable choice for children with sensitive skin.
Research & Insights

Our Analysis of Nike Girls One Piece Swimwear

2,350 Reviews Analyzed
10 Products Evaluated
7.0 Avg PM Score
1 Brands Ranked

Top 10 Nike Girls One Piece Swimwear Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Nike 10 (100%)

What Our Analysis Found

We've carried out a comprehensive analysis of 2,350 reviews on Nike Girls One Piece Swimwear, using our selection criteria to identify the best options in the girls' fashion. Our findings reveal that most customers typically select Nike Girls One Piece Swimwear priced around $41.09.

Our team of expert editors reviewed these high-quality items and handpicked the top 10 Nike Girls One Piece Swimwear for your consideration..

We are dedicated to assisting our users in finding the right swimwear Products based on their needs, saving them considerable time when choosing which Nike Girls One Piece Swimwear to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.