Best 42 Women's One-Piece Swimsuits: From Classic to Contemporary Designs

From sleek, one-piece designs to playful prints, we've rounded up the most stylish women's one-piece swimsuits of the season. Our collection features everything from flattering bikini cuts to coverage-friendly options, helping you find your perfect match at every price point.

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Reviews

Patagonia Women's Reversible Swimsuit

This versatile Patagonia swimsuit combines sleek recycled nylon construction with a flattering, moderately fitted silhouette. The deep V-neckline and supportive back straps keep everything in place during active pursuits like surfing or paddling. At just 5.2 ounces, it moves as freely as you do in the water.

Pacsun Women's Black Zina Scrunch One Piece Swimsuit

This true-to-size one-piece strikes a balance between modesty and sex appeal with its cheeky seat and fixed straps. The super scrunch fabric hugs in just the right places, though some may find the waist a bit loose. Overall, it's a comfortable choice that lets you show off your silhouette while staying covered where you need to be.

Madewell Women's Square-Neck One-Piece Swimsuit

This recycled polyamide swimsuit combines moderate support with elegant square neckline design and adjustable straps for a customized fit. The high-cut legs create a flattering shape while the recycled material reduces environmental impact.

Women's Printed One-Piece Swimsuit

This recycled nylon one-piece swimsuit combines elegant silvertone hardware with a flattering single-shoulder design. The fitted silhouette and back cutout create a polished look that pairs beautifully with the tropical print. While some reviewers noted modest back coverage, the supportive design earned high praise for its comfortable fit.

Cupshe Shaping Eucalyptus Lace-Up Tummy Control One-Piece

The Cupshe Shaping Eucalyptus Lace-Up Tummy Control One-Piece combines modest square necklines with adjustable straps for a customizable fit. Its removable soft cups and built-in tummy control provide both medium bust support and a smoothing effect. The eucalyptus-hued swimsuit features a comfortable power mesh lace-up back with tie closure and performs best when hand washed.

Womens Black One Piece Swimsuit

This backless one-piece swimsuit combines a textured design with a low-scoop back and mid-high leg cut, offering just the right amount of coverage. The built-in-shelf bra and double-lining provide good support, though some may find the front style a bit matronly. The thickness of the material and the way the cups align can vary depending on your figure, so it's worth considering your body shape when choosing your size. While it's a quality swimsuit with great material and color, the sizing runs a bit small, so you may want to consider ordering up a size.

J.Crew Women's Ruched One-Piece Swimsuit

The J. Crew women's one-piece swimsuit combines elegant design elements with practical adjusting options. Its square neckline and strategic ruching create a flattering silhouette, while the adjustable side ties ensure a personalized fit. The sunny floral print adds a touch of charm to this modern swimsuit.

Abercrombie & Fitch Women's 90s Scoopneck One-Piece Swimsuit

This women's one-piece swimsuit captures the nostalgic style of the 90s with its textured scrunch fabric and classic scoop neck design. The green stripe pattern adds a pop of visual interest, though the cheeky bottom style might not suit everyone's taste. While some reviewers praise its comfort and quality, many note that it runs small and requires sizing up from your typical A&F size, particularly if you prefer a more relaxed fit.

Dolfin Women's Ocean Solid Performance Back One-Piece Swimsuit

This nylon/spandex one-piece swimsuit blends chlorine resistance with lightweight comfort for serious swimmers. The front lining provides essential coverage while the wide straps offer lasting support during your workout. Users appreciate its conservative design and sun protection, though some note the sizing runs small – particularly around the shoulders and chest area.

Billabong Women's One Piece Swimsuit

This recycled nylon swimsuit lets you wear it your way with adjustable straps and a tie front. The bandeau style and peach stretch fabric give it a relaxed feel, while the cut-out detail adds just the right amount of interest. The high leg rise keeps things modest, making it a versatile addition to any swimwear rotation.

The Maria One-Piece Swimsuit

The Maria one-piece combines a flattering mesh neckline with a supportive design that works wonders for curvy frames. Made from a comfortable 90% nylon blend with built-in bust pads, it offers just the right amount of coverage without feeling restrictive. The long torso-friendly cut makes it perfect for chasing grandkids around the pool, while the full lining ensures you stay modest in public spaces.

Abercrombie & Fitch Women's 90s Scoopneck One-Piece Swimsuit

These navy ribbed one-pieces hug in all the right places with their scoop neck and low back cut, though some might find the cheeky back a bit skimpy - built-in pads or coverage might make them even better. The elevated fabric feels great on the skin, but the back design doesn't always play nicely with larger busts, causing a bit of squishing. Overall, the color, straps, and ribbed texture are spot-on, making these a hit for those who like their one-pieces a little on the bold side.

Lilly Pulitzer Lorenda One-Piece Swimsuit

The Lilly Pulitzer Lorenda One-Piece Women's Swimsuit combines playful shirring with practical full-coverage design. The multi-Bahamian rhapsody print adds a pop of color, while adjustable ties sculpt the silhouette with customizable fit.

Aerie Shine Rib Scoop Full Coverage One Piece Swimsuit Women's True Black S

This full-coverage one piece offers UPF 50 protection in its signature Shine Rib fabric, with modest back coverage and adjustable straps for support. The classic black design works well for different body types, though some find the top runs a bit loose. Overall, reviewers appreciate its modesty and comfort, though a few note issues with strap placement and material shine.

Grace Reversible Tie-Shoulder One Piece Swimsuit

Women's one-piece swimsuits are getting a modest makeover with the arrival of the XXS version of the Grace Reversible Tie-Shoulder style. This little-known gem offers a fresh take on poolside attire without sacrificing style points.

Prana Mallorca Swim One Piece

The prAna Mallorca swimsuit strikes a perfect balance between support and comfort. Its sleek, fully-lined design with removable cups offers just the right amount of compression without feeling too restricting. The flattering scoop neck and crisscross back provide both coverage and a touch of elegance for your next beach day or pool party.

Lands' End Women's Chlorine Resistant Tugless Tank Swimsuit

This one-piece swimsuit combines a soft-cup bra with adjustable, skinny straps for a secure, no-tug fit. The scoop back and higher-cut legs create a flattering shape that stays put during all your summer fun. The fully lined design and chlorine resistance help maintain its shape through countless swims.

Nani Women's Swimwear

This Nani Swimwear one-piece has become a customer favorite, combining style and support for all-day water fun. The mixed-print design adds visual interest while the thick straps and modest cut provide excellent coverage. Most reviewers praised its comfort and craftsmanship, though a few noted minor issues with strap adjustability and seam durability.

Calvin Klein Women's Legacy One Piece

The Calvin Klein Legacy one-piece pulls off signature CK styling with its repeating logo accents and sleek silhouette. At just the right size for an XS fit, it's made from recycled materials that move smoothly with your every stroke. While some may find the built-in padding a bit quirky, others appreciate how it shapes the bust without sacrificing comfort.

Fashion Nova Women's Pink Underwire One-Piece Swimsuit

This size-xs pink one-piece swimsuit lives up to its "Catch Me Chillin'" name with its cheeky design and full stretch shell made from 82% nylon and 18% spandex. The adjustable straps and underwire keyhole cutout offer some support, but the material runs a bit small, according to other reviews. The lining, which contains 90% polyester and 10% spandex, helps give it that comfortable, form-fitting shape.

Summersalt The Sidestroke One Piece Swimsuit

This one-piece swimsuit delivers on its promises of compression and support with a well-engineered design that contours the body without feeling too restrictive. The Italian-made fabric maintains its shape beautifully, though some might want to consider sizing up if they're on the larger side. The asymmetrical cut is surprisingly flattering for all body types, making it a standout choice in the crowded world of women's swimwear.

Calia Women's Sculpt One Piece Swimsuit

This one-piece swimsuit combines high support with modest coverage, featuring a classic cut that smooths and shapes while keeping you comfortable in the water. The double-layer construction with mesh panels provides extra support without constricting, making it perfect for all-day wear at the pool or beach. The built-in underwire and supportive cups help maintain your shape, while the removable secondary strap lets you customize your style. The bodyUV technology offers sun protection, and the antimicrobial properties help prevent odor, so you can enjoy your swim without worrying about maintenance.

TomboyX 6-Inch Melting Rainbow One-Piece Swimsuit

The TomboyX one-piece brings a playful twist to swimwear with its melting rainbow design and fully lined front for added coverage. Made from recycled materials and featuring 50+ UPF protection, this 6-inch high suit delivers on sun protection while the recycled polyester-LYCRA blend ensures flexibility and comfort. Most reviewers praise its coverage and protection, though some note the sizing runs a bit large and the neck zipper can be cumbersome. The suit's lightweight feel and easy care make it a practical choice for daily wear, from water aerobics to competitive swimming.

Cupshe Midnight Elegance Tummy Control One-Piece

This sleek one-piece features an asymmetrical silhouette with mesh panels that add some visual interest. The removable padding and medium-bust support make it a practical choice for a variety of body types, while the one-shoulder design keeps things stylishly simple. The ruched sides and classic cut give it a sophisticated look that's both comfortable and flattering.

Madewell Women's Coastal Orange One-Piece Swimsuit

Crafted from 93% recycled polyamide with 7% elastane, this one-piece swimsuit offers full coverage with a classic scoop neck and low back design. The moderate support and UPF 50 sun protection make it a practical choice for your beach or poolside wardrobe. The recycled fiber construction helps reduce environmental impact while you relax in the coastal orange hue.

Summersalt The Sidestroke One Piece Swimsuit

The Summersalt The Sidestroke combines a flattering one-shoulder design with superior compression through strategic fabric placement. The Italian-made French terry fabric hugs the body while remaining incredibly comfortable, though some may prefer additional built-in support in the larger sizes. The result is a sleek, form-fitting one-piece that enhances every curve while staying in place during energetic swims.

Aerie Shine Rib Scoop Full Coverage Swimsuit

This full-coverage one-piece swimsuit combines UPF 50 sun protection with a sleek ribbed texture. The Monaco blue hue shines through the fabric's subtle sheen, while the low back design offers just the right amount of coverage in all the right places. The adjustable straps allow for customization, whether you prefer crossing them in the front or securing them in the back.

Summersalt The Sidestroke One Piece Swimsuit

The Summersalt Sidestroke one piece suit combines recycled polyamide construction with strategic diagonal seaming to create a form-flattering silhouette without traditional bra cups. With "C" coverage providing generous rear support, this swimwear option excels at highlighting curves while maintaining modesty. The pull-on style fits snugly when dry, though some reviewers noted the material can appear sheer when wet.

Cupshe Floral Square Neck Low-Cut Back One-Piece

Crafted from a stretchy nylon blend, this one-piece suit combines medium-bust support with classic standard coverage. The removable soft cups and adjustable straps offer versatile styling options, while the charming paisley print adds a touch of boho flair. The square neckline and low-cut back with ladder straps create a flattering silhouette that's perfect for a day at the beach or pool.

Aerie Shine Rib Strappy Scoop Full Coverage One Piece Swimsuit

This flattering one-piece swimsuit from Aerie combines UPF 50 sun protection with a comfortable, adjustable design that allows wearers with various body types to customize the fit. The Green Mission XS style features a strappy scoop neckline and full coverage bottom, though some reviewers noted the torso is shorter than expected for many body types. The ribbed Shine fabric has a subtle sheen and maintains shape well, though the built-in hygiene sticker can be difficult to remove.

Aerie Shine Rib Strappy Full Coverage Swimsuit

This pretty one-piece suit has a flattering scoop neckline and adjustable ribbed straps that cinch at the waist for a cute, flattering silhouette. It's made from UPF 50+ sun protection fabric that feels super comfortable on your skin, plus itcomes in a pretty olive green color that's a bit more subtle than basic black. The high neckline and modest back coverage give you great support without being too heavy-handed.

Madewell Women's Floral One-Piece Swimsuit

This recycled polyamide one-piece combines full coverage with UPF 50 sun protection, featuring a flattering scoop neck and floral print design that's perfect for a day at the beach. With moderate support and a comfortable fit for most body types, it's a sustainable choice that could have otherwise ended up in a landfill. The soft recycled fabric and well-crafted seams make it a practical addition to any beach wardrobe, though some might want to check the sizing options since it tends to run a bit large.

Women's Italian Recycled Polyamide Cami Swimsuit

This elegant one-piece swimsuit pairs timeless Italian craftsmanship with eco-conscious recycled materials, offering both lasting quality and sun protection. The modest backside coverage and compressive fabric provide a confident, secure feel while you swim. The classic cami-style top looks particularly stunning in the softly ivory shade and resists fading and wear even after numerous washes.

Sporti Tie Back One Piece Swimsuit

This solid blue one-piece tie-back swimsuit offers a flattering low-rise silhouette with adjustable straps for customizable fit. Made from durable 80% nylon and 20% Lycra Xtra Life material that lasts up to 10 times longer than regular spandex, it provides excellent sun protection while remaining comfortable during swim sessions. The backless design with thin straps creates minimal tan lines, making it perfect for both casual swimming and competitive training.

Yandy Women's Royal Blue Day and Night Swimsuit

This captivating one-piece blend of bold design elements and sleek construction pulls double duty as both a poolside standout and nightclub sensation. The open cup design and halter ties create an elegant silhouette, while the metal O-ring accents and high-cut legs add a contemporary twist. The versatile fit makes it a practical choice for those seeking a single swimsuit that transitions seamlessly between beach and bikerule.

Lands' End Women's Chlorine Resistant High Neck Swim Dress

The high-neck design adds a touch of elegance while providing generous coverage, thanks to the built-in one-piece tummy control. The adjustable straps offer just the right fit, while the square back adds a classic touch. The mesh details on the neck give it a modern twist without sacrificing the traditional one-piece silhouette.

Cupshe Women's Bright Day Brown One Piece Swimsuit

Cupshe's brown one-piece brings a pop of warmth to your swim collection. The ruched front smooths the silhouette, while the cheeky design adds just the right amount of flattery. Even with minor color variations, this durable swimsuit manages to look and feel premium, making it a surprisingly strong performer at its price point.

Cupshe Maroon Interlocking Shirred Lurex Tummy Control One-Piece

This maroon one-piece has become a favorite among beachgoers, thanks to its flattering medium bust support and stylish shirred fabric. The adjustable interlocking straps add that perfect touch of elegance, while the removable cups allow for a customizable fit. The power mesh panels provide just the right amount of tummy control without sacrificing comfort.

Cupshe Brazilian Obsession Asymmetrical Neck Tummy Control One-Piece Swimsuit

This cheeky one-piece swimsuit combines classic bum coverage with modern details like dual straps and a cross back tie. The medium bust support and tummy control feature make it a practical choice for various body types, while the removable cups allow for adjustable fit. The sparkly blue material with subtle shimmer adds a touch of elegance to the beach-ready design.

Cupshe White Retro Halter One Piece Swimsuit

This white one-piece swimsuit combines medium bust support with classic bum coverage, featuring a flattering shirred design and removable cups for versatility. The halter neck and back tie provide a secure fit that works for various body types, though some may want to size down for a closer shape. Flower-shaped patterns bloom across the fabric, creating a tropical vibe that's both retro and vintage-inspired.

Cupshe Black Ginger Ribbed One-Piece

This modestly sexy one-piece combines flattering ruching with a plunging V-neck and wide straps for a chic beach look that's surprisingly supportive. The removable padding and medium-bust support make it versatile for various cup sizes, while the stretchy ribbed fabric molds to your body for a custom fit. The cheeky bum coverage and classic standard silhouette give you a confident, put-together feel as you soak up the sun.

Cupshe Women's One Piece Scallop Trim Swimsuit

This one-piece swimsuit combines elegant scalloped detailing with a flattering cutout design. The adjustable straps and removable padding offer both comfort and support, while the strategic coverage helps maintain modesty. Whether you have a petite frame or a curvier build, the adjustable sizing ensures a customized fit that looks great on everyone from A-cup to larger busts.

Buyer's Guide

Womens one-piece swimsuits combine style and functionality, offering versatility for various swimming scenarios. Understanding key features helps you choose a suit that suits your body type, occasions, and performance needs.

Design and Silhouette

The cut significantly impacts the suit's look and fit. Common styles include high-waisted, which accentuates the mid-section; tankinis, which feature separate top and bottom pieces; and halter necks, good for showcasing a healthy back. Consider your body type: hourglass figures look great in high-waisted styles, while athletic builds may prefer sleeker designs.

Material and Construction

Quality materials determine swimwear durability and feel. Polyester blends offer excellent value, while spandex provides stretch and shape retention. Look for UV protection (UPF ratings), quick-drying finishes, and moisture-wicking properties to enhance swimming comfort.

Fitting and Sizing

Proper sizing ensures both comfort and support. Pay attention to measurements, as sizing can vary between brands. The most common sizing difference is chest size, where one brand's Medium might equate to another's Large. Consider purchasing a sizing chart from your preferred brand to find the best fit.

Occasion and Versatility

Decide if you need a swim suit for specific activities like surfing, swimming laps, or general sunwear. Multi-functional suits with adjustable straps and convertible features often offer better value. For casual beach wear, consider suits that double as cover-ups with attached halter tops or ties.

FAQ

What makes a high-quality women's one piece swimsuit?

High-quality one piece swimsuits feature durable, UV-blocking fabric that retains its shape and color after repeated wear. The seams are typically sewn with reinforced stitching to prevent tearing, and the interior lining is smooth to reduce irritation.

Well-made swimsuits offer proper fit through precise measurements and adjustable straps. The neoprene or spandex blend provides adequate compression for post-bariatric surgery while allowing freedom of movement.

What sizes are typically available in one piece swimsuits?

Manufacturers usually offer sizes ranging from small to plus size, with some extending up to 4XL. However, the availability of larger sizes varies by brand and style.

Many swimsuit designers now include inclusive sizing options, featuring extended sizing charts that accommodate a wider range of body types.

How should one determine their correct swim suit size?

Measure your body in inches: bust, waist, and hip. Use these measurements to refer to the brand's specific sizing chart for precise fit.

When trying on suits, consider your personal preference for coverage versus mobility. Looser styles allow more freedom of movement but provide less body coverage.

What type of fabric offers the best sun protection?

Fabric with built-in ultraviolet protection factor (UPF) of 50+ provides optimal sun protection. Look for swimsuits made from polyester, nylon, or technical fabrics specifically designed for water resistance and UV protection.

Dark colors and full-coverage styles offer additional sun protection, while lightweight, breathable fabrics help prevent overheating during water activities.

How should one care for their one piece swimsuit?

Hand wash the swimsuit in cold water with a mild detergent specifically designed for swimwear. Avoid using bleach or fabric softeners, which can damage the elastic and fade the color.

Lay the swimsuit flat to air dry in a shaded area. Avoid using a dryer, as the heat can cause the elastic to lose its shape and the fabric to shrink.

What features enhance drowning prevention in one piece swimsuits?

Drowning prevention features include closed-neck designs that prevent water from entering the neckline and causing the suit to ride up. The presence of built-in pockets for securing small objects like keys or phones keeps essential items accessible while swimming.

Carefully consider closure types (front zipper vs. back closing) based on individual comfort and practicality. Some suits incorporate additional safety elements like quick-release closures for emergency situations.

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