Women's Athletic Swimwear

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

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Product 0: Plunge Tankini Top - Flower Stripe
Plunge Tankini Top - Flower Stripe
Blueberry Multi
$59
We may be taking the plunge but that doesn't mean our necklines have to follow suit. High neckline gives halter aesthetics without the neck strain. Adjustable straps via unique tie-back styling. Fully lined. Keyhole back. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 1: Plunge Bikini Top - Flower Stripe
Plunge Bikini Top - Flower Stripe
Blueberry Multi
$49
We may be taking the plunge but that doesn't mean our necklines have to follow suit. High neckline gives halter aesthetics without the neck strain. Adjustable straps via unique tie-back styling. Fully lined. Pullover. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 2: Tsunami Bikini Top - Ziggy Zag
Tsunami Bikini Top - Ziggy Zag
Multi Stripe
$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. 32C-38DD.
Product 3: Lehua Bikini Bottom - Ziggy Zag
Lehua Bikini Bottom - Ziggy Zag
Multi Stripe
$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. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 4: Tsunami Tankini Top - Ziggy Zag
Tsunami Tankini Top - Ziggy Zag
Multi Stripe
$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. Top lined. 32C-38DD.
Product 5: Duck Diver One Piece Swimsuit - Palm
Duck Diver One Piece Swimsuit - Palm
Palm
$135
Swim that stays put through an onslaught of monster waves or little monsters. Swim that 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. Compressive enough for A’s and B’s to wear alone. Made in California. S(4-6), M(8-10), L(10-12).
Product 6: Bahama Mama Reversible Bikini Top - Tropicalia
Bahama Mama Reversible Bikini Top - Tropicalia
Tropicalia
$79
When we need to shake things up all while traveling light, we bring the reversible Bahama Mama. Just one quick tie in the back and we’re ready to dive in. Ties at back. S(4-6), M(8-10), L(10-12).
Product 7: Bahama Mama Bikini Bottom - Tropicalia
Bahama Mama Bikini Bottom - Tropicalia
Tropicalia
$69
The sweet spot between a bikini bottom and a boy short. Made in California. Fully lined. Rear drawstring waist. S(4-6), M(8-10), L(10-12).
Product 8: No Brainer Swim Shirt
No Brainer Swim Shirt
Avalon
$75
Sun shirker, swim shirt, SUP sun protector, rashguard in a pinch—who knew a longsleeve could be a summer essential? When it’s UPF 50, it’s a No Brainer. Hits at top of hip. S(4-6), M(8-10), L(10-12).
Product 9: Barrel One Piece Swimsuit - Tropicalia
Barrel One Piece Swimsuit - Tropicalia
Tropicalia
$135
Shoot the barrel worry-free. In a sea of barely-theres and bare-it-alls, the Barrel is a full-coverage force to be reckoned with. A wipeout-proof bottom and rashguard in one. Also ideal for those of us who rock a barelythere on the beach but need coverage in the water. Ties at neck. S(4-6), M(8-10), L(10-12).
Product 10: Pele Underwire Bikini Top - Solid
Pele Underwire Bikini Top - Solid
$69
Built for fiery goddesses, the Pele underwire bikini top 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. 32C-38DD.
Product 11: Holy Grail Bikini Bottom - Solid
Holy Grail Bikini Bottom - Solid
$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. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 12: Set It And Forget It Halter Tankini
Set It And Forget It Halter Tankini
$64
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. Ties at neck. Elasticized underbust. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 13: Paddle Board Shorts - Solid
Paddle Board Shorts - Solid
$59
When bikini bottoms are too little and board shorts 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. XS(2), S(4-6), M(8-10), L(10-12), XL(14).
Product 14: Black Tide Tankini Top - Sulawesi
Black Tide Tankini Top - Sulawesi
Turquoise Multi
$65
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. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 15: Hold On Bikini Bottom - Sulawesi
Hold On Bikini Bottom - Sulawesi
Turquoise Multi
$49
When we wipe out, we need a bottom that'll hold on. Modern brief styling sits across the hip and just a touch lower on the leg. Fully lined. XS(0-2), S(4-6), M(8-10), L(10-12), XL(12-14).
Product 16: Black Tide Bikini Top - Sulawesi
Black Tide Bikini Top - Sulawesi
Turquoise Multi
$55
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. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 17: Zenith Long Sleeve One Piece Swimsuit - Sulawesi
Zenith Long Sleeve One Piece Swimsuit - Sulawesi
Turquoise Multi
$99
The ultimate swim solution: bottoms and a rash guard that we'll never lose, no matter how hard we wipe out. Secret built-in shelf bra keeps things one-and-done. Kitesurfing, SUPing, snorkeling and maximum UV protection all in one sporty suit. Ties at back of neck. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 18: Siren Bikini Top - Brights
Siren Bikini Top - Brights
Berry Multi
$55
The wisdom of decades of swim design all packed into one suit. When fresh sets are calling our name, we pull on the Siren. Stays put through wipeouts and duck dives alike. Pullover. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 19: Straight Talk Skirt - Brights
Straight Talk Skirt - Brights
Berry Multi
$59
Nope, this swim skirt will not make us instantly appear to be 3 sizes smaller or boost our behinds (whatever that means.) It is, instead, a skirt that we rely on day in and day out. It fits well, works well in water or on dry land, and looks good for days on end. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 20: Siren Tankini - Brights
Siren Tankini - Brights
Berry Multi
$65
The wisdom of decades of swim design all packed into one suit. When fresh sets are calling our name, we pull on the Siren. Stays put through wipeouts and duck dives alike. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 21: Blocker Bikini Bottom - Brights
Blocker Bikini Bottom - Brights
Berry Multi
$49
Full throttle women need full coverage bottoms that keep up and stay put through every antic. Blocks out UV rays and bad attitudes towards diving in head first. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 22: Set It And Forget It Halter Bikini Top
Set It And Forget It Halter Bikini Top
$54
Our classic "set the support you want and forget about it" athletic halter bikini top 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. Ties at neck, back. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 23: Lehua Bikini Bottom - Solid
Lehua Bikini Bottom - Solid
$52
When we’re ready to cause some trouble but can’t be bothered by fussy swimsuit 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. Fully lined. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 24: Pele Underwire Tankini Top - Solid
Pele Underwire 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 larger busts and full cups. 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. 32C-38DDD.
Product 25: Boyshort Bikini Bottom - Solid
Boyshort Bikini Bottom - Solid
$52
Modern hipster cut meets old school swim boyshort for full swim security. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 26: Pele Bikini Top - Feeling Blue
Pele Bikini Top - Feeling Blue
Tanzania Blue
$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. 32C-38DD.
Product 27: Wahine Swim Shorts
Wahine Swim Shorts
Black
Blueberry
Tidal
$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. XS(2), S(4-6), M(8-10), L(10-12), XL(14).
Product 28: Pele Tankini Top - Feeling Blue
Pele Tankini Top - Feeling Blue
Tanzania Blue
$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. 32C-38DD.
Product 29: Holy Grail Bikini Bottom - Feeling Blue
Holy Grail Bikini Bottom - Feeling Blue
Tanzania Blue
$49
Surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Ruched side panels. Fully lined. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 30: Mahalo Bikini Top - Bonita
Mahalo Bikini Top - Bonita
Granite Bonita
Peach Bonita
$55
Wahines of all sizes demand a lot from their swimwear. A beautiful collision of performance and style, this collection was created strong and designed sturdy. Stays put against undertows and toddlers alike, and for that, we say Mahalo! Fully lined. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 31: Mahalo Tankini Top - Bonita
Mahalo Tankini Top - Bonita
Granite Bonita
Peach Bonita
$70
Wahines of all sizes demand a lot from their swimwear. A beautiful collision of performance and style, this collection was created strong and designed sturdy. The adjustable straps and side-ruching ties mean we get a custom fit, custom support and custom coverage. Stays put against undertows and toddlers alike, and for that, we say Mahalo! Fully lined. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 32: Rumba Bikini Bottom - Bonita
Rumba Bikini Bottom - Bonita
Granite Bonita
Peach Bonita
$50
Let's get ready to Rumba. Mid rise, medium coverage, max aquatic fun. Fully lined. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 33: Paddle Board Swim Skirt
Paddle Board Swim Skirt
Black
Blueberry
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. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 34: Streamline Bikini Top - Max & Million
Streamline Bikini Top - Max & Million
Turq/blueberry
$54
Sleek, streamlined, and downright powerful. No sacrifices here, the Streamline delivers on both sass and strength. It's strappy but still supportive and adjustable without all the annoying tying...and re-tying. Converts to x-back via j-hook. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 35: Streamline One Piece Swimsuit - Max & Million
Streamline One Piece Swimsuit - Max & Million
Turq/blueberry
$89
Sleek, streamlined, and downright powerful. No sacrifices here, the Streamline delivers on both sass and strength. It's strappy but still supportive and adjustable without all the annoying tying...and re-tying. Converts to x-back via j-hook. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 36: Lehua Bikini Bottom - Max & Million
Lehua Bikini Bottom - Max & Million
Turq/blueberry
$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. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 37: Streamline Tankini Top - Max & Million
Streamline Tankini Top - Max & Million
Turq/blueberry
$69
Sleek, streamlined, and downright powerful. No sacrifices here, the Streamline delivers on both sass and strength. It's strappy but still supportive and adjustable without all the annoying tying... and re-tying. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 38: Wavemaker Bikini Top
Wavemaker Bikini Top
Blueberry
$54
We?re the wavemakers here, and we have to have a suit that can take a hit...or 3. Built for those who ride waves, brave waves and make waves. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 39: Wavemaker Bikini Bottom
Wavemaker Bikini Bottom
Blueberry
$49
We're the wavemakers here, and we have to have a suit that can take a hit... or 3. Built for those who ride waves, brave waves and make waves. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 40: Won't Back Down Tankini Top - Cordoba
Won't Back Down Tankini Top - Cordoba
Deep Violet
$69
Fighting for our spot in the line-up, fighting to stay on the wave or just fighting our own fears... we need a suit that won't back down. We can wipe out, rise up, and ride again, confident that our suit has got us covered. T-back style and stable elastic chest band for sport support in the pool or on that next wave. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 41: Won't Back Down Bikini Top - Cordoba
Won't Back Down Bikini Top - Cordoba
Deep Violet
$59
Fighting for our spot in the line-up, fighting to stay on the wave or just fighting our own fears... we need a suit that won't back down. We can wipe out, rise up, and ride again, confident that our suit has got us covered. T-back style and stable elastic chest band for sport support in the pool or on that next wave. Pullover. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 42: Hold On Bikini Bottom - Cordoba
Hold On Bikini Bottom - Cordoba
Deep Violet
$49
When we wipe out, we need a bottom that'll hold on. Modern brief styling sits across the hip and just a touch lower on the leg. Fully lined. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 43: Bodacious Bikini Top - Tonal Swirl
Bodacious Bikini Top - Tonal Swirl
Charcoal
$75
Created for confidently curvy chiquitas, the Bodacious is made to contain, control and conquer. Anything but basic, the Bodacious is better designed and more bad-ass than any suit your average Betty could dream up. Full coverage. Side seam stays and an external sling system for superior support. Hidden three-hook back closure for added stability. Fully lined. 32-38 C-DD.
Product 44: Lehua Bikini Bottom - Tonal Swirl
Lehua Bikini Bottom - Tonal Swirl
Charcoal
$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. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 45: Rip Tide Bikini Top - Crayon Stripe
Rip Tide Bikini Top - Crayon Stripe
Cobalt Multi
$59
The blackball flag be damned, this suit can stand up in any conditions: volleyball dives, grabby toddlers, or riptides. Pullover. T-back styling. Fully lined. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 46: Holy Grail Bottom - Crayon Stripe
Holy Grail Bottom - Crayon Stripe
Cobalt Multi
$49
Surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Ruched side panels. Fully lined. 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, 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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