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: 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 1: 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 2: 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 3: 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(0-2), 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
Guava
$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(0-2), 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(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 6: 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(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 7: Sunbuster 2.0 Short Sleeve Sun Shirt
Sunbuster 2.0 Short Sleeve Sun Shirt
White
Adriatic Blue
Aqua Green
$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 8: 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 9: 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 10: 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 11: 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 12: 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 13: Tsunami Underwire Tankini Top - Linear Leaf
Tsunami Underwire Tankini Top - Linear Leaf
Black/aqua
$85
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. “X-back” styling with a racerback feel. Top lined. By Title Nine. 32C-38D.

For best fit, we recommend ordering bra sized swimwear in the same size as an everyday bra.
Product 14: 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 15: 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 16: 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).
Product 17: 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(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 18: Kuapapa Bikini Top
Kuapapa Bikini Top
Blueberry
$59
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. Pullover. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 19: 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 20: 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 21: 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 22: 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 23: Leadbetter Swim Short - Navy Stripe
Leadbetter Swim Short - Navy Stripe
Navy/daisy
$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 24: 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 25: Desis Bikini Top - Seaglass
Desis Bikini Top - Seaglass
Seaglass
$65
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 26: 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 27: 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 28: 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(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 29: 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(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 30: 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(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 31: Sure Bet Midkini Top - Tropical
Sure Bet Midkini Top - Tropical
Multi Paradise
$59
Tired of playing swimsuit roulette? For the gambling kind of gal who wants better odds, put your money on a suit that will fit and flatter a real woman's body. Put your money on the Sure Bet. Classic triangle bikini appeal in a longline style that covers but never smothers. Fully lined. Pullover; x-back styling. By Title Nine. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 32: Sure Bet Tankini Top - Tropical
Sure Bet Tankini Top - Tropical
Multi Paradise
$69
Tired of playing swimsuit roulette? For the gambling kind of gal who wants better odds, put your money on a suit that will fit and flatter a real woman’s body. Put your money on the Sure Bet. Classic triangle swim top appeal that covers but never smothers. Fully lined. Pullover; x-back styling. By Title Nine. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 33: Holy Grail Bikini Bottom 2.0 - Tropical
Holy Grail Bikini Bottom 2.0 - Tropical
Multi Paradise
$49
Only the Holy Grail 2.0 delivers a surprisingly flattering fit on just about everybooty, and yup, it’s a low rise bikini bottom. The Holy Grail 2.0 indeed. Svelte, streamlined rear coverage sister of the Holy Grail Bottom. Ruched side panels. Fully lined. By Title Nine. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 34: 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 35: 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 36: Sunbuster 1/4 Zip Pullover - Waimea
Sunbuster 1/4 Zip Pullover - Waimea
Agave
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 37: Double Up Blouson Tankini Top - Wailuku
Double Up Blouson Tankini Top - Wailuku
Black Wailuku
$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/tankini outer layer. Cross-back styling. By Carve Designs. XS(2-4), S(6), M(8), L(10-12), XL(14).
Product 38: Endless Summer Long Sleeve Rash Guard
Endless Summer Long Sleeve Rash Guard
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. 1/2 zip styling. By Carve Designs. S(6), M(8), L(10-12), XL(14).
Product 39: Frontside Jacket - Wailuku
Frontside Jacket - Wailuku
Black Wailuku
$112
Made to face the waves. Our session-lengthener when a wetsuit is too much but a rashguard is too little. Shuts out the sun and shuts in the warm. A dense, not-quite-neoprene fabric keeps us covered and cozy for long hours in the currents. Full zip. By Carve Designs. S(6), M(8), L(10-12), XL(14).
Product 40: Frontside Onesie - Wailuku
Frontside Onesie - Wailuku
Black Wailuku
$148
Made to face the waves. Our session-lengthener when a wetsuit is too much but a rashguard is too little. Shuts out the sun and shuts in the warm. A dense, not-quite-neoprene fabric keeps us covered and cozy for long hours in the currents. Made to be worn over our swimwear of choice. Front zip entry. By Carve Designs. S(6), M(8), L(10-12), XL(14).
Product 41: Gravi-D Bikini Top - Wabi Stripe
Gravi-D Bikini Top - Wabi Stripe
Atlantic Stripe
$70
An aerospace engineer somewhere must’ve changed careers because this swimsuit makes D cups feel like they’re defying gravity. Two-in-one support styling kept sleeky under wraps: beneath the wrap-front exterior is a floating, power mesh, underwire bra. Pullover, strappy x-back styling. By Prana. 32, 34, 36, 38, 40.
Product 42: Gravi-D Tankini Top - Wabi Stripe
Gravi-D Tankini Top - Wabi Stripe
Atlantic Stripe
$85
An aerospace engineer somewhere must’ve changed careers because this swimsuit makes D cups feel like they’re defying gravity. Two-in-one support styling kept sleeky under wraps: beneath the wrap-front exterior is a floating, powermesh, underwire bra. By Prana. 32, 34, 36, 38, 40.
Product 43: Rumba Bikini Bottom - Wabi Stripe
Rumba Bikini Bottom - Wabi Stripe
Atlantic Stripe
$50
Ready for an aquatic rumble? The Rumba Bikini Bottom delivers mid rise, medium coverage, max aquatic fun. Fully lined. By Prana. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 44: 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 45: 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 46: 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 47: 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).

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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