Women's Athletic Swimwear

find a swimsuit built for you

Halter or high-neck, bikini or boyshort – you pick the styles and we’ll find your perfect match.

Mix & Match Swim Finder

FEATURED SWIMSUITS
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Product 0: Double Up Tankini Top - Haiku
Double Up Tankini Top - Haiku
Navy Haiku
$84
Coverage right where we want it, thank you very much. The magic is in the double layer: bikini under layer with a swim-ready, tank outer. Cross-back styling. By Carve Designs. XS(2-4), S(6), M(8-10), L(12), XL(14).
Product 1: Bermuda Bikini Top - Haiku
Bermuda Bikini Top - Haiku
Navy Haiku
$48
There’s some sneaky magic in these triangles. The Bermuda delivers the custom fit and support of a halter, but without the neck pain: one quick pull adjusts our straps and band, giving a racerback feel. Pullover, x-back styling. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 2: Tidal Reversible Bikini Bottom - Haiku/Stripe
Tidal Reversible Bikini Bottom - Haiku/Stripe
Navy Haiku/stripe
$56
When the water or the action is fast-moving, we pull on the Tidal. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 3: Endless Summer Short Sleeve Rash Guard
Endless Summer Short Sleeve Rash Guard
Navy/daisy
$52
Paddle-ready protection that stands up to the sun, keeping us comfortably covered in every venture. Adjustable, side ruching allows for custom length. 1/2 zip. By Carve Designs. S(4-6), M(8-10), L(12), XL(14).
Product 4: Namaka Tankini Top - Monstera
Namaka Tankini Top - Monstera
Deepest Teal
$75
We make our own waves, and when we’re going tidal, the Namaka stays steady. High neckline gives adjustable halter-style coverage without the neck strain. ‘Crochet’ racerback. By Title Nine. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 5: Namaka High Neck Bikini Top - Monstera
Namaka High Neck Bikini Top - Monstera
Deepest Teal
$65
We make our own waves, and when we’re going tidal, the Namaka stays steady. High neckline gives adjustable halter-style coverage without the neck strain. ‘Crochet’ racerback. Pullover. By Title Nine. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 6: Holy Grail Bottom 2.0 - Monstera
Holy Grail Bottom 2.0 - Monstera
Deepest Teal
$49
Back and better than ever, our Holy Grail 2.0 is surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Svelte, streamlined rear coverage sister of the Holy Grail Bottoms. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 7: Surf Rock Board Shorts - Solid
Surf Rock Board Shorts - Solid
Adriatic Blue
Agave
Medieval Blue
$54
Catch us surfin’ at Del Mar, Ventura County line, Santa Cruz and Trestle, Australia’s Narabine... When everybody’s goin’ surfing these are the classically baggy boardshorts we pull on to paddle out. 1960s style meets modern performance: when we’re done with our set, they dry out in a snap and are ready to hit the boardwalk. Relaxed fit. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 8: Block Out Short Sleeve Rash Guard - Twin Tiles
Block Out Short Sleeve Rash Guard - Twin Tiles
Blue Jade
$69
When the sun’s rays are making threats, the Block Out silences them in a snap. Wipeout-proof sun protection that shields us from sunburn and boardrash alike with a less compressive, more forgiving fit versus traditional rash guards. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 9: Pele Bikini Top - Twin Tiles
Pele Bikini Top - Twin Tiles
Blue Jade
$75
Built for fiery goddesses, the Pele is a creator of shape and support, destroyer of the notion that strappy styles aren't for full cups. Full coverage underwire cups. Racerback-like support. Adjustability at neck. By Title Nine. 32C-38DD.
Product 10: Holy Grail Bikini Bottom - Twin Tiles
Holy Grail Bikini Bottom - Twin Tiles
Blue Jade
$49
Our Holy Grail low rise bikini bottom is surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 11: Pele Tankini Top - Twin Tiles
Pele Tankini Top - Twin Tiles
Blue Jade
$85
Built for fiery goddesses, the Pele is a creator of shape and support, destroyer of the notion that strappy styles aren't for full cups. Racerback-like support. Adjustability at neck. By Title Nine. 32C-38DD.
Product 12: Selkie High Neck One Piece Swimsuit - Triangulate
Selkie High Neck One Piece Swimsuit - Triangulate
Black/white
$99
At home in the salty sea spray, but unafraid to take to dry land. Secure, high neckline and smooth, sleek seaming ensure our fluid movements aren’t interrupted by wardrobe-fix reflexes. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 13: Metis Underwire Tankini - Triangulate
Metis Underwire Tankini - Triangulate
Black/white
$85
We don’t need to be a Greek goddess to appreciate this bra-sized shape-shifter. Tank or x-back, full coverage or sassy styling, we are in charge of our swim, our style and our support. Adjustable straps, cup-band sizing and concealed underwire team up with dialed-in fit and support. Wrap-style front. Fully lined. By Title Nine. 32C-38DD.
Product 14: Metis Bikini Top - Triangulate
Metis Bikini Top - Triangulate
Black/white
$75
We don’t need to be a Greek goddess to appreciate this bra-sized shape-shifter. Tank or x-back, full coverage or sassy styling, we are in charge of our swim, our style and our support. Adjustable straps, cup-band sizing and concealed underwire team up with dialed-in fit and support. Wrap-style front. Fully lined. By Title Nine. 32C-38DD.
Product 15: Selkie High Neck Bikini Top - Triangulate
Selkie High Neck Bikini Top - Triangulate
Black/white
$59
At home in the salty sea spray, but unafraid to take to dry land. Secure, high neckline and smooth, sleek seaming ensure our fluid movements aren’t interrupted by wardrobe-fix reflexes. Simply pull and tie to adjust straps and back. Racerback styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 16: Holy Grail Bikini Bottom - Triangulate
Holy Grail Bikini Bottom - Triangulate
Black/white
$49
Our Holy Grail low rise bikini bottom delivers a surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 17: Getagrip Bikini Top - Cotton Wild
Getagrip Bikini Top - Cotton Wild
Superior Blue
$75
No to tugging and adjusting. Yes to focusing on our next ride. The secret is in the practically magic, micro-sueded interior: in the water it holds tight to our skin, clingier than that one ex that’s still calling. (Yeah, they need to get a grip too.) Straps, band adjust via pull-and-tie back styling. Pullover. Fully lined. By Patagonia.XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 18: Getagrip Bikini Bottoms - Cotton Wild
Getagrip Bikini Bottoms - Cotton Wild
Superior Blue
$69
No to tugging and adjusting. Yes to focusing on our next ride. The secret is in the practically magic, micro-sueded interior: in the water it holds tight to our skin, clingier than that one ex that’s still calling. (Yeah, they need to get a grip too.) ‘Cheeky’ styling. Fully lined. By Patagonia. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 19: Waverider Board Shorts - Fitz Stripe
Waverider Board Shorts - Fitz Stripe
Superior Blue
$59
You don’t have to surf to appreciate this board short. In fact, for many of us, it’s become our new swim bottom. Why? Because it gives a whole new meaning to “full coverage.” By Patagonia. 2, 4, 6, 8, 10, 12, 14.
Product 20: Go Hard One Piece Swimsuit - Palm Springs
Go Hard One Piece Swimsuit - Palm Springs
Palm Springs
$99
Decidely sassy styling, built for the go-hard Gerhardts of the world and at heart. Adjustlable, Mavericks-wipeout level stability with a front twist and cutout detail. X-back styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 21: Go Hard Bikini Top - Palm Springs
Go Hard Bikini Top - Palm Springs
Palm Springs
$65
Decidely sassy styling, built for the go-hard Gerhardts of the world and at heart. Adjustlable, Mavericks-wipeout level stability with a front twist and cutout detail. Pullover, x-back styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 22: Francie High Waisted Swim Bottoms - Palm Springs
Francie High Waisted Swim Bottoms - Palm Springs
Palm Springs
$59
High waisted, shred-ready coverage for Gidgets who go hard. Built for breakthroughs, busting boundaries and owning our wipeouts with grace. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 23: Paddle Board Short
Paddle Board Short
$59
When bikini bottoms are too little and boardshorts are too much, these paddle board shorts are just right. Run short-inspired styling with a built-in brief. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. By Title Nine. XS(2), S(4-6), M(8-10), L(12), XL(14).
Product 24: Fergusen One Piece Swimsuit - Atlantic Camelia
Fergusen One Piece Swimsuit - Atlantic Camelia
Atlantic Camelia
$95
Reigning champion of the 100 meter backstory. The Fergusen is a medley of functional adjustability, sassy straps and one-piece practicality. Ties at back. By Prana. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 25: Dig It Bikini Bottoms - Atlantic Camelia
Dig It Bikini Bottoms - Atlantic Camelia
Atlantic Camelia
$55
Beach volleyball dives, sand castle moats—yup, we can dig it. Digging waistbands, however, are never on the day’s agenda. Pinch-free foldover waist styling. Fully lined. By Prana. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 26: Fergusen Bikini Top - Atlantic Camelia
Fergusen Bikini Top - Atlantic Camelia
Atlantic Camelia
$65
Reigning champion of the 100 meter backstory. The Fergusen is a medley of functional adjustability, sassy straps and freestyle-ready practicality. Pullover. By Prana. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 27: Holy Grail Swimsuit Bottom - Solid
Holy Grail Swimsuit Bottom - Solid
$49
The low rise bikini bottom that delivers a surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 28: Impossible One Piece Swimsuit - Maeve
Impossible One Piece Swimsuit - Maeve
Blueberry
$89
She’s back and she’s ready for more waves and wipeouts: The Impossible. We were told it was impossible to design a swim top with the custom fit and support of a halter, and without the pain that comes from cranking down a neck tie. Well, we’ve never met impossible—till we met this suit. Ties in the back, anchoring the chest band and shoulder straps in the center of our backs. Voilà! Braided racerback detail. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 29: Impossible Bikini Top - Maeve
Impossible Bikini Top - Maeve
Blueberry
$59
She’s back and she’s ready for more waves and wipeouts: The Impossible. We were told it was impossible to design a swim top with the custom fit and support of a halter, and without the pain that comes from cranking down a neck tie. Well, we’ve never met impossible—till we met this suit. Ties in the back, anchoring the chest band and shoulder straps in the center of our backs. Voilà! Braided racerback detail. Pullover. By Title Nine. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 30: Set It And Forget It Bikini
Set It And Forget It Bikini
$54
Our classic “set the support you want and forget about it” suit is back and better than ever. Cut-and-sew cups deliver coverage and support, and yes, they still work for A cups. Halter styling lets us decide how much support we need: tighten to find that perfect fit and say goodbye to all-day adjusting. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Ties at back. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 31: Pele Tankini Top - Solid
Pele Tankini Top - Solid
$79
Built for fiery goddesses, the Pele is a creator of shape and support, destroyer of the notion that strappy styles aren’t for full cups. Full coverage underwire cups with removable modesty. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Racerback-like support. Adjustability at neck. By Title Nine. 32C-38DDD.
Product 32: Woman Up High Neck Tankini - Color Shield
Woman Up High Neck Tankini - Color Shield
Titanium
$79
We like to move it, but don’t want to lose it—our suit, that is. Flimsy triangles be damned, we demand a suit built to lap the competition, made to make waves. It’s time to Woman Up. Sturdy, wire-free, powermesh sling system construction gives us the support we need for diving deep and dashing down the beach. High neck. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 33: Lehua Swimsuit Bottom - Solid
Lehua Swimsuit Bottom - Solid
$52
When we’re ready to cause some trouble but can’t be bothered by fussy bottoms, these stay put through every antic. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16)
Product 34: Woman Up High Neck Bikini Top - Color Shield
Woman Up High Neck Bikini Top - Color Shield
Titanium
$69
We like to move it, but don’t want to lose it—our suit, that is. Flimsy triangles be damned, we demand a suit built to lap the competition, made to make waves. It’s time to Woman Up. Sturdy, wire-free, powermesh sling system construction gives us the support we need for diving deep and dashing down the beach. High neck. Pullover. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 35: Lehua Bikini Bottom - Color Shield
Lehua Bikini Bottom - Color Shield
Titanium
$52
When we’re ready to cause some trouble but can’t be bothered by fussy bottoms, these stay put through every antic. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 36: Woman Up High Neck One Piece Swimsuit - Color Shield
Woman Up High Neck One Piece Swimsuit - Color Shield
Titanium
$99
We like to move it, but don’t want to lose it—our suit, that is. Flimsy triangles be damned, we demand a suit built to lap the competition, made to make waves. It’s time to Woman Up. Sturdy, wire-free, powermesh sling system construction gives us the support we need for diving deep and dashing down the beach. High neck. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 37: Paddle Board Swim Skirt - Solid
Paddle Board Swim Skirt - Solid
Black
Blueberry
Adriatic Blue
Tidal
$59
Whoever said swim security only comes in a board short cut never met our Paddle Board Skirt. The just-right length gives us the freedom of movement that we want. Built-in brief gives us the coverage we need. Made from fast-drying SurFlex™ and equipped with a secret stash pocket, it goes from deck to diving in, all summer long. Fixed, foldover-style waist with shirred sides hides a firm, stay-in-place waistband. Great for skort lovers ready to make a splash. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 38: Wahine Swim Shorts
Wahine Swim Shorts
$62
Do not send a girl to do a woman's job and do NOT give us an itsy-bitsy bottom when we are grown women. We are wahines, and we rely on this short to keep us comfortable and confident. When bikini bottoms are too little and boardshorts too much, we don the Wahine. Run short-inspired with drawstring and built-in brief. Fast-drying, abrasion-resistant, woven outer. By Title Nine. XS(2), S(4-6), M(8-10), L(10-12), XL(14).
Product 39: Fearless Bikini Top - Colorblock Dot
Fearless Bikini Top - Colorblock Dot
Multi Dot
$55
An aquatic stunner that boldly borrows the best from both worlds—skimpy bikini swagger with where-it-counts coverage. A hybrid bikini that is impervious to clawing kids or crashing cannonballs. Bombs away! Pullover. By Title Nine. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 40: Lehua Bikini Bottom - Mini Dot
Lehua Bikini Bottom - Mini Dot
Black/white Dot
$52
When we’re ready to cause some trouble but can’t be bothered by fussy bottoms, these stay put through every antic. Fully lined. By Title Nine. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 41: Bond Alumni One Piece Swimsuit - Mini Dot
Bond Alumni One Piece Swimsuit - Mini Dot
Black/white Dot
$99
When action-ready Bond girls grow up, those women start working for themselves, and start demanding attention be paid to what their suit does for them, versus what it does (or doesn’t) expose. Covers more than the basics in more than one way. Includes built-in support and a locking front zip to let sun exposure match our moods. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 42: Pele Bikini Top - Solid
Pele Bikini Top - Solid
$69
Built for fiery goddesses, the Pele is a creator of shape and support, destroyer of the notion that strappy styles aren’t for full cups. Full coverage underwire cups with removable modesty. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Racerback-like support. Adjustability at neck. Fully lined. By Title Nine. 32C-38DD.
Product 43: Set It And Forget It Tankini
Set It And Forget It Tankini
$64
Our classic “set the support you want and forget about it” suit is back and better than ever. Updated cut-and-sew cups deliver improved coverage and support, and yes, they still work for A cups. Halter styling lets us decide how much support we need: tighten to find that perfect fit and say goodbye to all-day adjusting. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Elasticized underbust. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 44: Sunbuster Long Sleeve Pullover - Solid
Sunbuster Long Sleeve Pullover - Solid
Coral Reef
White
Tidal
Wild Lime
$64
Better than sunscreen. Kills UV rays while waiting for the next big set or perfect for post-session. Quick-dry poly/spandex soothes and protects sun-weary skin. Cnter front ¼-zip styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 45: Svelte Sunbuster Long Sleeve Top
Svelte Sunbuster Long Sleeve Top
$69
Better than sunscreen. Kills UV rays while waiting for the next big set or perfect for post-session. Silky, wicking poly/spandex soothes and protects sun-weary skin. Shirred seams for a body-hugging fit. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 46: Sunbuster Short Sleeve Pullover - Solid
Sunbuster Short Sleeve Pullover - Solid
Coral Reef
White
Medieval Blue
Tidal
$59
Better than sunscreen. Kills UV rays while waiting for the next big set or perfect for post-session. Quick-dry poly/spandex soothes and protects sun-weary skin. Center front 1/4-zip. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 47: Sunbuster 1/4 Zip Pullover 2.0 - Waimea
Sunbuster 1/4 Zip Pullover 2.0 - Waimea
Agave
Loganberry
Medieval Blue
$69
Better than sunscreen. Kills UV rays while waiting for the next big set or perfect for post-session. Our new sunshirt fabric is densely knit to keep us cool and deliver UPF 50, and still dries faster than traditional sunshirts. All that means we can truly comfortably play all day, no matter what the conditiions. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 48: Sunbuster Long Sleeve Hoodie 2.0 - Kiyomi
Sunbuster Long Sleeve Hoodie 2.0 - Kiyomi
White
Aqua Green
Regatta Blue
$79
Better than sunscreen. Kills UV rays while waiting for the next big set or perfect for post-session. Our new sunshirt fabric is densely knit to keep us cool and deliver UPF 50, and still dries faster than traditional sunshirts. All that means we can truly comfortably play all day, no matter what the conditiions. Attached hood. Thumbholes. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).

Sporty Swimsuits and Athletic Swimwear

All our sunny adventures start with our perfect athletic swimsuits. Whether we're deep sea diving in a supportive bikini or playing hard on the beach in a sporty swimsuit, we expect our active swimwear to keep up with us. At Title Nine, we're redefining women's athletic swimsuits, one swim top and swimsuit bottom at a time. We're active women who need active swimwear, and we know how much the small details matter when it comes to our performance. So when we design our bikini tops, swim bottoms, and one-piece sporty swimsuits, we sweat the small stuff. Whether it's a halter-style tankini top with support for full cups or bikini bottoms with the right amount of coverage, we infuse performance into every stitch to meet all of our swimming needs.

Shop the arrivals of our new swimsuits and athletic swimwear and discover swim suits for every sport and every activity. Want to mix and match bikini tops and swim bottoms? Be our guest. Don't forget to check out our cover-ups and swim skirts, made with fast-drying poly fabrics and easy care performance blends. Perfect for throwing on post-surf session, these athletic swimsuits can seamlessly transition from beach to boardwalk and beyond. Need assistance finding the perfect fit? Chat with us on live chat or call the T9 gals at customer service, and we'll help you find women's athletic swimwear that defies expectations.

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