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: Tidal Rave Underwire Bikini Top - Tivoli
Tidal Rave Underwire Bikini Top - Tivoli
Black Floral
$75
Sleek lines, zero drag, and (shhh) a stealthy, secret punch of underwire power. Boasts both a strappy aesthetic and support for up to a D cup. Rave-worthy and wave-worthy, indeed. Unique racerback style requires just a quick pull-and-tie to adjust the straps and band for a custom fit. Ruched front detail. Pullover. By Title Nine. 32C-38D.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 1: Holy Grail Bikini Bottom - Tivoli
Holy Grail Bikini Bottom - Tivoli
Black Floral
$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 2: Tidal Rave Underwire Tankini Top - Tivoli
Tidal Rave Underwire Tankini Top - Tivoli
Black Floral
$85
Sleek lines, zero drag, and (shhh) a stealthy, secret punch of underwire power. Boasts both a strappy aesthetic and support for up to a D cup. Rave-worthy and wave-worthy, indeed. Unique racerback style requires just a quick pull-and-tie to adjust the straps and band for a custom fit. Ruched front detail. By Title Nine. 32C-38D.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 3: Sunbuster 2.0 Long Sleeve Sun Shirt
Sunbuster 2.0 Long Sleeve Sun Shirt
White
Adriatic Blue
Aqua Green
$65
Better than sunscreen. Kills UV rays while waiting for the next big set or perfect for post-session. Our new sun shirt fabric is densely knit to keep us cool and deliver UPF 50, still dries faster than traditional sunshirts, and is infused with StinkStopper™ to boot. 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 4: Real Deal Bikini Top - Solid
Real Deal Bikini Top - Solid
Black
Blueberry
$59
No pinching, ever—it’s the Real Deal. A real, no-nonsense, real coverage-and-support bikini top. One that’s ready wipeout after wipeout for seasons to come. Seamless construction puts the kibosh on suits that smush. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Pullover. X-back styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 5: Real Deal Tankini Top - Solid
Real Deal Tankini Top - Solid
Black
Blueberry
Adriatic
$65
No pinching, ever–it's the Real Deal. A real, no-nonsense, real coverage-and-support bikini top. One that's ready wipeout after wipeout for seasons to come. Seamless construction puts the kibosh on suits that smush. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. X-back styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 6: Naiad Bikini Bottom - Solid
Naiad Bikini Bottom - Solid
Black
Blueberry
Tortuga
Adriatic
$54
While its relatives are found presiding solely over lakes, rivers and other bodies of fresh water, our spritely and free-spirited Naiad is just at home in higher salinity. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. "Cheeky" rear styling. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 7: Francie High Waisted Bikini Bottom - Solid
Francie High Waisted Bikini Bottom - Solid
Black
Blueberry
$59
High waisted, shred-ready coverage for Gidgets who go hard. Built for breakthroughs, busting boundaries and owning our wipeouts with grace. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Paneled construction. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 8: Real Deal Bikini Top - Buttercup
Real Deal Bikini Top - Buttercup
Black Multi
$55
No pinching, ever–it’s the Real Deal. A real, no-nonsense, real coverage-and-support bikini top. One that’s ready wipeout after wipeout for seasons to come. Seamless construction puts the kibosh on suits that smush. X-back styling. Pullover. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 9: Francie High Waisted Swim Bottom - Buttercup
Francie High Waisted Swim Bottom - Buttercup
Black Multi
$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 10: Real Deal One Piece Swimsuit - Buttercup
Real Deal One Piece Swimsuit - Buttercup
Black Multi
$99
No pinching, ever–it’s the Real Deal. A real, no-nonsense, real coverage-and-support one-piece top. One that’s ready wipeout after wipeout, lap after lap, for seasons to come. Seamless construction puts the kibosh on suits that smush. X-back styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 11: Sunbuster 2.0 Short Sleeve Sun Shirt
Sunbuster 2.0 Short Sleeve Sun Shirt
White
Adriatic Blue
$59
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. 1/4 zip styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 12: 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 13: Better 2.0 Bikini - Textured
Better 2.0 Bikini - Textured
Black
$59
Better because it adjusts for a custom fit. Better because it emerges unscathed from riding waves both tall and small or navigating grabby wee ones. And now, it’s better than ever. We took our original Better Bikini and revved it up with wider straps for greater coverage and comfort. Crafted from a unique textured fabric that forgives real and imagined figure flaws. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 14: Impossible Bikini Bottom - Textured
Impossible Bikini Bottom - Textured
Black
$52
A swim bottom that makes aquatic adventures possible. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 15: Better 2.0 Tankini - Textured
Better 2.0 Tankini - Textured
Black
$69
Better because it adjusts for a custom fit. Better because it emerges unscathed from riding waves both tall and small or navigating grabby wee ones. And now, it’s better than ever. We took our original Better Tankini and revved it up with wider straps for greater coverage and comfort. Crafted from a unique textured fabric that forgives real and imagined figure flaws. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 16: 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.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 17: 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.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 18: Paddle Board Swim Skirt - Solid
Paddle Board Swim Skirt - Solid
Black
Blueberry
Adriatic Blue
$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 19: Sunbuster 2.0 Full Zip Hoodie Sun Shirt
Sunbuster 2.0 Full Zip Hoodie Sun Shirt
White
Adriatic Blue
Aqua Green
Calypso Coral
$75
Better than sunscreen. Kills UV rays while waiting for the next big set or perfect for post-session. Our new sun shirt fabric is densely knit to keep us cool and deliver UPF 50, still dries faster than traditional sunshirts, and is infused with StinkStopper™ to boot. 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 20: Tsunami Bikini Top - Linear Leaf
Tsunami Bikini Top - Linear Leaf
Black/aqua
$75
Built for sisters with serious swells. A firm elastic band and underwire cups team up for stellar support, no matter how wild the tidal rave gets. Pullover with a racerback feel. By Title Nine. 32C-38D.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 21: Lehua Bikini Bottom - Linear Leaf
Lehua Bikini Bottom - Linear Leaf
Black/aqua
$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 22: Real Deal One Piece Swimsuit
Real Deal One Piece Swimsuit
Black
Blueberry
$95
No pinching, ever–it’s the Real Deal. A real, no-nonsense, real coverage-and-support one-piece. One that’s ready wipeout after wipeout, lap after lap, for seasons to come. Seamless construction puts the kibosh on suits that smush. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. X-back styling. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 23: Tidal Rave Underwire Bikini Top - Colorblock
Tidal Rave Underwire Bikini Top - Colorblock
Blueberry
$69
Sleek lines, zero drag, and (shh) a stealthy, secret punch of underwire power. Boasts both a strappy aesthetic and support for up to a D cup. Rave-worthy and wave-worthy, indeed. Unique racerback style requires just a quick pull-and-tie to adjust the straps and band for a custom fit. Ruched front detail. Pullover. By Title Nine. 32C-38D.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 24: Tidal Rave Underwire Tankini Top - Colorblock
Tidal Rave Underwire Tankini Top - Colorblock
Blueberry
$79
Sleek lines, zero drag, and (shh) a stealthy, secret punch of underwire power. Boasts both a strappy aesthetic and support for up to a D cup. Rave-worthy and wave-worthy, indeed. Unique racerback style requires just a quick pull-and-tie to adjust the straps and band for a custom fit. Ruched front detail. By Title Nine. 32C-38D.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 25: Paddle Board Swim Shorts
Paddle Board Swim Shorts
$59
When bikini bottoms are too little and board shorts are too much, these paddle board swim 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 26: Aquatic Life Rash Guard - Tropical
Aquatic Life Rash Guard - Tropical
Multi Paradise
$75
Under water or the sun’s rays, this rash guard is ready for our aquatic life. Dense nylon/spandex saves from foes, board rash, and sunburn. By Title Nine. S(4-6), M(8-10), L(12-14), XL(16).
Product 27: Selkie High Neck Bikini Top - Seychelles
Selkie High Neck Bikini Top - Seychelles
Purple Multi
$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 28: Lehua Bikini Bottom - Seychelles
Lehua Bikini Bottom - Seychelles
Purple Multi
$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 29: Selkie High Neck One Piece Swimsuit - Seychelles
Selkie High Neck One Piece Swimsuit - Seychelles
Purple Multi
$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 30: Set It And Forget It Bikini
Set It And Forget It Bikini
Black
Blueberry
Guava
Adriatic Blue
$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: Rapid Bikini Top - Wahine
Rapid Bikini Top - Wahine
Golden Tropical
$58
This bikini changes even faster than the rapids, the tide or middle school relationships. When the water or the action is fast-moving, we pull on the Rapid. One quick pull and our band and straps are customized to fit us just right. Unique double-cross racerback styling ties in the back. Pullover. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(12), XL(14).
Product 32: Tidal Reversible Bottom - Wahine
Tidal Reversible Bottom - Wahine
Golden/navy Print
$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 33: Rapid One Piece Swimsuit - Wahine
Rapid One Piece Swimsuit - Wahine
Golden/navy Print
$90
This one-piece changes even faster than the rapids, the tide or middle school relationships. When the water or the action is fast-moving, we pull on the Rapid. One quick pull and our band and straps are customized to fit us just right. Unique double-cross racerback styling ties in the back. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 34: Endless Summer Long Sleeve Rash Guard
Endless Summer Long Sleeve Rash Guard
Navy/daisy
Black Wailuku
$56
Paddle-ready protection that stands up to the sun, keeping us comfortably covered in every venture. Adjustable, side ruching allows for custom length. Half-zip. By Carve Designs. S(4-6), M(8-10), L(12), XL(14).
Product 35: Capitola Underwire Bikini Top - Stripe
Capitola Underwire Bikini Top - Stripe
Peach/navy
$68
The lovechild of our most comfortable t-shirt bra and our favorite bikini top. Crafted in specific cup sizes, the Capitola’s unique x-back style means with one tug and a tie, we can custom-fit our support, so we can focus on catching the next big set instead of where our bikini is riding off to. X-back. Pullover. By Carve Designs. 34-38 C-DD.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 36: Tidal Twist Bikini Bottom - Stripe
Tidal Twist Bikini Bottom - Stripe
Peach/navy
$48
A literally twisted, sassy take on the Tidal Bottom for a little extra je ne sais quoi. Twist ‘knot’ detail at each hip delivers a little peek, not a full show. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 37: Goldie Tankini Top - Stripe
Goldie Tankini Top - Stripe
Peach/navy
$78
The Goldilocks-and-loaded tankini. A minimalist suit with sufficient coverage where it counts, makin’ it a top choice for hard-charging maximizer mamas who leave triangles in the geometry books. Strappy ‘racerback’ styling. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 38: Leadbetter Swim Short - Stripe
Leadbetter Swim Short - Stripe
Peach/navy
$59
Built to take on first encounters with the surf break and professional-caliber wipeouts alike. Boardshorts and a swim bottom all in one, the built-in brief keeps us in control of coverage, even when things go sideways. By Carve Designs. XS(2-4), S(6), M(8-10), L(12), XL(14).
Product 39: Black Tide Bikini Top - Wavy Stripe
Black Tide Bikini Top - Wavy Stripe
Black Multi Stripes
$59
The narrow, fast-moving currents sweep warm waters our way, but they’ll never sweep away this suit. When we want sports support, coverage to count on and a punch of strappy style, we pull on the Black Tide. Pullover. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 40: Holy Grail 2.0 Bikini Bottom - Wavy Stripe
Holy Grail 2.0 Bikini Bottom - Wavy Stripe
Black Multi Stripes
$49
Back and better than ever, our Holy Grail 2.0 is a 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 41: Black Tide Tankini Top - Wavy Stripe
Black Tide Tankini Top - Wavy Stripe
Black Multi Stripes
$69
The narrow, fast-moving currents sweep warm waters our way, but they’ll never sweep away this suit. When we want sports support, coverage to count on and a punch of strappy style, we pull on the Black Tide. Racerback. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 42: Sunbuster 1/4 Zip Pullover - Waimea
Sunbuster 1/4 Zip Pullover - Waimea
Loganberry
Medieval Blue
$69
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 43: Dig It Bikini Bottom - Seaglass
Dig It Bikini Bottom - Seaglass
Seaglass
$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 44: Desis Tankini Top - Seaglass
Desis Tankini Top - Seaglass
Seaglass
$75
The Desis genus is adapted to intertidal zone living. Apt out of the water, completely at home fully submerged. The back ‘spiderwebbing’ of this predator reads delicate, but like its namesake, looks can be deceiving. Adjustable ‘racerback’ length via neck slider. By Prana. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 45: Wahine Swim Shorts
Wahine Swim Shorts
Black
Blueberry
Adriatic Blue
Loganberry
$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 46: Kuapapa High Waisted Bikini Bottom
Kuapapa High Waisted Bikini Bottom
Blueberry
$55
Built for the quintessential water-woman. From slip'n slides to yacht dives, where there is water, the Kuapapa is ready to dive in and excel. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 47: Kuapapa Tankini Top
Kuapapa Tankini Top
Blueberry
$69
Built for the quintessential water-woman. Surfing, spearfishing? Yup. Outrigger canoeing, free diving? You bet. Wading pool starfishing? That too. From slip'n slides to yacht dives, where there is water, the Kuapapa is ready to dive in and excel. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).

Sporty Swimsuits and Womens 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 and one piece 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 sport swimwear for every activity. Want to mix and match swimwear? 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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