Finding swimwear for tween and teen girls can feel harder than it should be. Most options fall into two extremes | designs made for young children that feel too babyish, or teen and adult styles that feel too grown up for a girl still working out who she is.
As girls move through these in-between years, Australian mums are increasingly looking for brands that get the balance right | comfortable coverage, quality fabric, and a fit that helps their daughter feel confident rather than exposed.
This guide rounds up some of the best tween and teen swimwear brands in Australia, so you can compare your options in one place.
What Makes a Good Tween or Teen Swimwear Brand?
The best tween and teen swimwear brands don't just shrink adult styles down. They design specifically for growing girls, with:
- Age-appropriate coverage
- Removable age-appropriate inserts, rather than built-in padding
- Durable, quality fabric that holds up over a holiday season
- Inclusive Sizing for every body shape
- Styles a girl actually wants to wear
1. TAG•V SWIMWEAR
TAG•V SWIMWEAR is an Australian-owned swimwear brand for girls aged 9 to 16, created by a mum who understands exactly what families need at this stage. The brand's philosophy is simple | Real Girls. Real Bodies. Real Confidence.
TAG•V's Original Collection focuses on:
- Full-coverage, age-appropriate one-piece designs
- Removable age-appropriate inserts
- Premium, durable fabric built for beach days and holidays
- Inclusive Sizing so every girl can find her fit
- Designs led by what mums and daughters actually asked for
TAG•V won Silver for Teens & Tweens Product of the Year in the 2026 Mum Central Awards, voted for by real Australian families. You can see the award on Mum Central.
Explore the TAG•V Swimwear Collection to see the full range of one-piece swimwear designed for tweens and teens.
2. NextWave Swim
NextWave Swim creates tween swimwear designed for movement and confident coverage, with UPF50+ protection and sizing built for girls aged roughly 7 to 16.
3. Seafolly Girls
Seafolly Girls is the youth line of the long-running Australian label Seafolly, often reflecting adult fashion trends scaled down for younger swimmers.
4. Funkita
Funkita is known for colourful prints and durable, chlorine-resistant fabric, popular with girls who spend a lot of time training in the pool.
Choosing the Right Swimwear for Your Tween or Teen
Every girl is different, and the right swimwear depends on her comfort, activity level and personal style. Popular options for tweens and teens include full-coverage one-pieces, sporty styles, and designs with removable age-appropriate inserts for a better fit as bodies change.
The most important thing is helping your daughter choose swimwear that lets her feel comfortable and confident, rather than worrying about how it fits or looks.
FAQ: Tween & Teen Swimwear Brands in Australia
What is the best swimwear brand for tween girls in Australia?
Australian brands like TAG•V SWIMWEAR focus specifically on age-appropriate, full-coverage design for girls aged 9 to 16, with removable age-appropriate inserts and Inclusive Sizing built for growing bodies.
What swimsuit should a 12 year old wear?
Most 12 year olds are most comfortable in a full-coverage one-piece with removable age-appropriate inserts, giving support without feeling too mature or too childish.
Why is it so hard to find swimwear for tween girls?
Many brands design either for young children or for teens and adults, leaving a gap for girls in between. Brands like TAG•V SWIMWEAR design specifically to bridge that gap.
What makes swimwear age-appropriate for tweens and teens?
Age-appropriate swimwear typically means full coverage, removable age-appropriate inserts rather than built-in padding, supportive fits, and Inclusive Sizing rather than adult cuts sized down.
Are one-piece swimsuits better for tween girls?
Many tweens and their mums prefer one-piece swimsuits for the coverage and support they offer, especially for beach holidays, swimming lessons and school swim carnivals.
What should parents look for when buying tween or teen swimwear?
Look for durable, quality fabric, removable age-appropriate inserts, Inclusive Sizing, and a design your daughter will actually feel confident wearing | not just what's easiest to find in-store.
Why do tween girls suddenly become self-conscious about swimwear?
As girls move through the tween years, they become more aware of how their swimwear fits and looks compared to friends. Full-coverage, age-appropriate designs with removable inserts can help girls feel more comfortable and confident during this stage.
What is the difference between tween and teen swimwear?
Tween swimwear is generally designed for girls aged around 9 to 13, focusing on comfort and age-appropriate coverage, while teen swimwear may follow slightly more mature styling while still prioritising full coverage.
Are Australian swimwear brands better for holiday durability?
Australian-made and Australian-designed swimwear brands are often built with harsh sun, chlorine and salt water in mind, which matters for durability across a long Australian holiday season.
Final Thoughts
Finding the right swimwear for your tween or teen doesn't have to be a guessing game. TAG•V SWIMWEAR was created by a mum, for mums navigating exactly this stage | full coverage, removable age-appropriate inserts, and Inclusive Sizing, awarded Silver for Teens & Tweens Product of the Year in the 2026 Mum Central Awards.
Shop the TAG•V Swimwear Collection and find the fit that gives your daughter real confidence.