Free Shipping on Swim with code SUNFUN
shop new swimsuits

find a suit built for you

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

TRY OUR NEW SWIM TOOL
  1. Home
  2. Swim

Women's Athletic Swimwear

shop solid color swimsuits
shop bikini tops
FEATURED SWIM
Sort By
Product 0: Set It And Forget It Bikini
Set It And Forget It Bikini
Black
Blueberry
Bright Lime
Bright Turquoise
+
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. Ties at neck, back. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 1: Paddle Board Shorts - Solid
Paddle Board Shorts - Solid
Black
Blueberry
Bright Turquoise
Guava
+
Paddle Board Shorts - Solid
$59
When bikini bottoms are too little and boardshort 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 2: Lehua Bikini Bottom - Momiji
Lehua Bikini Bottom - Momiji
Neptune
Lehua Bikini Bottom - Momiji
$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 3: Paddle Board Skort
Paddle Board Skort
Black
Blueberry
Tidal
Paddle Board Skort
$59
Whoever said swim security only comes in a boardshort cut never met our Paddle Board Skort. 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 4: Pele Bikini Top - Solid
Pele Bikini Top - Solid
Black
Blueberry
Bright Turquoise
Guava
+
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. Racerback-like support. Adjustability at neck. 32C-38DD.
Product 5: Set It And Forget It Tankini
Set It And Forget It Tankini
Black
Blueberry
Bright Turquoise
Guava
+
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. 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 6: Pele Tankini Top - Solid
Pele Tankini Top - Solid
Black
Blueberry
Bright Turquoise
Deep Wine
+
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. 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 7: Holy Grail Bikini Bottom - Solid
Holy Grail Bikini Bottom - Solid
Black
Blueberry
Bright Lime
Bright Turquoise
+
Holy Grail Bikini Bottom - Solid
$49
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 8: Bodacious Tankini Top - Momiji Placed Print
Bodacious Tankini Top - Momiji Placed Print
Neptune Leaves
Bodacious Tankini Top - Momiji Placed Print
$85
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. Side seam stays and external sling system for superior support. Hidden three-hook back closure. Full coverage. Fully lined. 32-38 C-DD.
Product 9: Metis Bikini Top - Dots
Metis Bikini Top - Dots
Blueberry
Metis Bikini Top - Dots
$74
A 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. Full coverage. Fully lined. 32C-38DD.
Product 10: Holy Grail Bikini Bottom - Dots
Holy Grail Bikini Bottom - Dots
Blueberry
Holy Grail Bikini Bottom - Dots
$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 11: Boyshort Bikini Bottom - Solid
Boyshort Bikini Bottom - Solid
Black
Blueberry
Bright Turquoise
Deep Wine
+
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 12: Haumea Bikini Top - Solid
Haumea Bikini Top - Solid
Blueberry
Bright Turquoise
Agave
Deep Wine
Haumea Bikini Top - Solid
$59
Built for living legends who’d rather spend their time riding roughshod and spearfishing than fussing with a skimpy suit. Sleek, high neckline delivers full coverage while the strappy-backed lattice styling brings the sass. Unique x-back styling adjusts our straps and band size with one quick pull. Ties at back. Pullover. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 13: Won't Back Down Bikini Top - Bandana Paisley
Won't Back Down Bikini Top - Bandana Paisley
Deep Berry
Won't Back Down Bikini Top - Bandana Paisley
$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. S(4-6), M(8-10), L(12-14), XL(16).
Product 14: Impossible Bikini Bottom - Bandana Paisley
Impossible Bikini Bottom - Bandana Paisley
Deep Berry
Impossible Bikini Bottom - Bandana Paisley
$49
A swim bottom that makes aquatic adventures possible. XS(2), S(4-6), M(8-10), L(10-12), XL(12-14).
Product 15: Won't Back Down Tankini - Bandana Paisley
Won't Back Down Tankini - Bandana Paisley
Deep Berry
Won't Back Down Tankini - Bandana Paisley
$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. S(4-6), M(8-10), L(12-14), XL(16).
Product 16: Pele Tankini Top - Rough Edges Stripe
Pele Tankini Top - Rough Edges Stripe
Tidal Stripe
Pele Tankini Top - Rough Edges Stripe
$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. Full coverage underwire cups with removable modesty. Racerback-like support. Adjustability at neck. 32C-38DD
Product 17: Pele Bikini Top - Rough Edges Stripe
Pele Bikini Top - Rough Edges Stripe
Tidal Stripe
Pele Bikini Top - Rough Edges Stripe
$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 18: Holy Grail Bikini Bottom - Rough Edges Stripe
Holy Grail Bikini Bottom - Rough Edges Stripe
Tidal Stripe
Holy Grail Bikini Bottom - Rough Edges Stripe
$49
Surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Fully lined. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 19: Lehua Bikini Bottom - Solid
Lehua Bikini Bottom - Solid
Black
Blueberry
Bright Turquoise
Guava
+
Lehua Bikini 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. Fully lined. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 20: Bodacious Tankini - Placed Print Swirl
Bodacious Tankini - Placed Print Swirl
Charcoal
Bodacious Tankini - Placed Print Swirl
$85
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. Side seam stays and external sling system for superior support. Hidden three-hook back closure. Full coverage. Fully lined. 32-38 C-DD.
Product 21: Bodacious Bikini Top - Tonal Swirl
Bodacious Bikini Top - Tonal Swirl
Charcoal
Bodacious Bikini Top - Tonal Swirl
$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 22: Lehua Bikini Bottom - Tonal Swirl
Lehua Bikini Bottom - Tonal Swirl
Charcoal
Lehua Bikini Bottom - Tonal Swirl
$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 23: Haumea Tankini Top - Solid
Haumea Tankini Top - Solid
Black
Deep Wine
Tidal
Haumea Tankini Top - Solid
$69
Built for living legends who’d rather spend their time riding roughshod and spearfishing than fussing with a skimpy suit. Sleek, high neckline delivers full coverage while the strappy-backed lattice styling brings the sass. Unique x-back styling adjusts our straps and band size with one quick pull. Ties at back. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 24: Ferguson Bikini Top - Anchor Kona
Ferguson Bikini Top - Anchor Kona
Blue Anchor Kona
Ferguson Bikini Top - Anchor Kona
$65
Reigning champion of the 100 meter backstory. A medley of functional adjustability, sassy straps and freestyle-ready practicality. Pullover. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 25: Ferguson One Piece Swimsuit - Blue Anchor Kona
Ferguson One Piece Swimsuit - Blue Anchor Kona
Blue Anchor Kona
Ferguson One Piece Swimsuit - Blue Anchor Kona
$95
Reigning champion of the 100 meter backstory. A medley of functional adjustability, sassy straps and one-piece practicality. Ties at back. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 26: Namaka Bikini Top - Sumatra Fans
Namaka Bikini Top - Sumatra Fans
Blueberry Multi
Namaka Bikini Top - Sumatra Fans
$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. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 27: Namaka Tankini - Sumatra Fans
Namaka Tankini - Sumatra Fans
Blueberry Multi
Namaka Tankini - Sumatra Fans
$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. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 28: Hold On Bikini Bottom - Sumatra Fans
Hold On Bikini Bottom - Sumatra Fans
Blueberry Multi
Hold On Bikini Bottom - Sumatra Fans
$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(10-12), XL(12-14).
Product 29: Plunge Tankini - Flower Swirl
Plunge Tankini - Flower Swirl
Black
Plunge Tankini - Flower Swirl
$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. Keyhole back. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 30: Plunge Bikini Top - Flower Swirl
Plunge Bikini Top - Flower Swirl
Black
Plunge Bikini Top - Flower Swirl
$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 31: Lehua Bottom - Flower Swirl
Lehua Bottom - Flower Swirl
Black
Lehua Bottom - Flower Swirl
$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).

Sporty Swimsuits and Athletic Swimwear

All our summer 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 racerback tankini, we expect our 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 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 bum coverage, we infuse performance into every stitch to meet any and 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 swim 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.

Shop featured categories:

  • REFINE BY

  • Clear

    Band Size

  • Clear

    Cup Size

  • Clear

    Size

  • Clear

    Color

  • Clear

    Category

  • Clear
    Rating
    • 5 Stars
    • 4+ Stars
    • 3+ Stars
    • 2+ Stars
    • 1+ Stars