Women Behind The Swim
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Women-designed swimwear built for real bodies, real movement, and real water time
Our all-woman team of designers, product pros, and outdoor adventurers obsesses over every detail so your swimsuit fits like it was made for you—because it was.
This is women-designed swimwear for women who actually move: swimming, surfing, paddling, diving, chasing kids, chasing waves, and staying out longer than planned. We don’t design for standing still. We design for action.
Why does women-designed swimwear matter?
Because women’s bodies are not an afterthought—and neither is performance.
Most swimwear is still designed from a fit model, not from lived experience in the water. We do the opposite. Our suits are designed, tested, and refined by women who actually wear them: different cup sizes, different body shapes, different levels of activity.
That means:
- Better support where you actually need it
- Less adjusting, tugging, or second-guessing
- Coverage that moves with you, not against you
- Designs that understand real life in and out of the water
If you’ve ever asked “why doesn’t this stay put?” or “why does swimwear assume one body type?”—this is the answer.
Who designs T9 swimwear?
Our swim is built by an all-women team who live in it, test it, and push it hard.
K.C.: The Boob Scientist
Director of Merchandising
Mom of Leo and Bode, multitasking merchant, and holder of an unofficial PhD in Boob Science. KC’s the genius behind sand-proof liners, quick-dry cups, and secure swim bottoms pockets–finally a safe place for keys. Soggy boobs, sandy butts, and swimsuit malfunctions? Canceled.
Suzanne: The Fit Whisperer
Technical Designer
If Suzanne’s not happy with the fit of every single piece of T9 swimwear, then nobody’s sleeping. Armed with a tape measure, a tube of Cherry Bomb lipstick, she’s been perfecting the science of fit for over 15 years. Her standards are sky-high, her attitude is punk rock—and her swimwear? It stays put. And it never quits.
Ami: Print Powerhouse
Print Designer
Ami’s got decades of print design under her belt—and a wild streak to match. From art school in India to skydiving, trail hiking, and Holi-festivalin’ in the Himalayas, she pulls inspiration from everywhere. If your suit makes you feel bold before you even hit the water—you’ve got Ami to thank.
This season, we’re switching up our suit game with new longline tops and high rise bottoms, designed to look good and perform even better. We have even more adjustable tops and stay-put bottoms, designed with details you can’t see: quick-dry cups (no more soggy boobs), sand-proof liners (for maximum crotch comfort), pockets (for keys, rings—you name it!), and UPF 50+ built in. We’ve thought of everything so you can charge, jump, dive, chill and stay out longer.
The T9 team designing our swim is made up of 100% women. They wear-test our swimwear and listen to customer feedback to identify problems, and design for solutions, not just for looks. Fit, function, and feel are queen.
We design for ALL boob sizes. That means that compared to an A cup, a swim top for a DDD cupmight have thicker straps to better support, and more coverage to prevent spillage. And we know that not all women want the same thing out of their suit – so we have a range of options made for varying levels of coverage and activity.
We set the bar high for T9 swim, so there are a few things we won’t go without:
Adjustability: Our tops have adjustable straps for customized fit and support, plus, drawcords in our swim shorts and board shorts – that means no slips, no surprises.
Stay-put construction: Suits fit close to the body so they won’t gape, wrinkle, or chafe. Flat-lay seams and comfort waistbands keep our buns covered without the muffin top.
Built-in support: Our wireless designs are modeled after sports bras, and our wired tops use a hidden, single underwire that gives max support – no pinches. Strong elastic keeps the girls up – no nip slips.
But we’ve also added in a few hidden benefits that we’re pretty proud of that make our suits better than the rest:
- Quick-dry cups: Water resistant, perforated cups repel water for a quicker dry time. That means no wet boob marks on our swim coverup after toweling off. Check ‘em out.
- Sand-proof liners: Superfine mesh lining in all our bikini tops and bikini bottoms keeps sand out of our suits – even after a day of body surfing and volleyball diving.
- Surflex® solid fabric: All of our solid swim is made with high performance Surflex® fabric – it’s sleek, abrasion-resistant and colorfast to stand up to chlorine, sand and sun.
We make suits that work for women who work hard and play hard…women like us, women like you.
Got any feedback or something new you want to see in T9 swim? Let us know!
What makes swimwear “designed for active women”?
Swimwear for active women is built for movement, not posing.
If you’re swimming laps, body surfing, paddle boarding, cliff jumping, or just never standing still, you need suits that:
- Stay put under impact and motion
- Dry quickly between activities
- Don’t shift when wet
- Offer support without restriction
- Handle sand, salt, sun, and repetition
What is “swim designed by women for women”?
It means:
- Women design it
- Women test it
- Women wear it in real conditions
- Women fix what doesn’t work
Not focus groups. Not assumptions. Not generic fit models.
It’s iterative, lived-in design built from real feedback loops—especially around the things women constantly deal with: fit inconsistency, bust support, coverage gaps, and comfort under movement.
FAQ’s: Women-designed swimwear
Is women-designed swimwear better?
It depends on how it’s done. When women are involved in design and testing, you typically get better fit accuracy, better support engineering, and more real-world usability—especially for active use.
What swimwear is best for swimming, surfing, and active water sports?
Look for:
- Secure straps
- Strong elastic support
- Stay-put bottoms
- Quick-dry materials
- High-coverage options that don’t restrict movement
Our suits are designed specifically for these conditions.
Why does my swimsuit ride up or shift?
Most swimwear isn’t built for motion or impact. If a suit rides up, it usually lacks:
- Proper elastic recovery
- Secure leg opening construction
- Balanced torso-to-hip proportioning
We design specifically to eliminate that problem.
What swimwear works for different body types?
There’s no single “best body type” for swimwear—but there are better engineering choices for different needs:
- Larger busts: structured support, adjustable straps, reinforced underbands
- High movement activity: compression-based support and stay-put bottoms
- Coverage preference: longline tops, high-rise options, adjustable coverage systems
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