Plus Size Swimwear Trends That Are Redefining Summer 2025

Posted by Michaela Natter
- 0 comments

Discover the Confidence Wave in Australian Plus Size Swimwear 2025

This summer, it’s not just the sun that’s turning up the heat—Aussie women everywhere are rewriting the rules of what swimwear can be. Welcome to the bold, body-celebrating wave of plus size swimwear that’s made to fit you. At The Foundation, we’re all about swimwear that supports, empowers, and flatters, right through from Australian size 4 to 30.

From bikini tops with underwire support to reversible bikini bottoms, one piece swimsuits with built-in bras to long-sleeve wrap tops for sun-safe chic—this is your ultimate trend guide for Summer 2025.

Explore our inclusive swimwear range for all sizes: Shop Swimwear by Size

1. Minimal Looks, Maximum Support: Clean, Sculpted Designs

Sleek, structured, and powerfully simple. The Klimt One Piece Black is a one-size-fits-most swimsuit designed with curvy women in mind. Best suited for AU sizes 12 to 22, it features a classic scoop neck and back with strategic support built in. Clean lines, tummy control panels, and sculpting comfort make it a go-to for elevated simplicity.

Why women love it:

Shelf bras for a secure fit
Smartly designed shaping swimwear
One size fits most (AU12–AU22) for adaptable comfort
Looks gorgeous with the Aloha Drawstring Mini Mesh Skirt or over board shorts

2. Prints with Purpose: Underwire & Cup Size Confidence

Prints are louder, bolder—and built to support. Take the Chantique Hayes Underwire One Piece—designed for cup sizes up to G cup with supportive underwire and adjustable straps. It redefines what bathing suits should feel like.

Match it with:

The Limitless Mesh Scoop Kaftan - Black
Aloha Mesh Long Dress Flame as your new favourite cover-up

3. Elegant Pairings That Elevate Your Bikini Set

Looking to build a stylish bikini outfit? Start with well-structured bikini tops and bikini bottoms from our curated collection — then layer it up for all-day versatility.

Hot tip:
Pair with our Long Tie Waist Swim Kimono – Black/Gold or the Aloha India Hicks Lace Cover Up Dress Black or day-to-dusk style.

4. Swim Dresses That Flatter Every Inch

Swim dresses like the Palmspiration Elgar Dress Dark Navy and Meka Midi Mesh Sarong - Black are redefining comfort for full-figured women. They’re crafted from premium fabrics, sun-safe, and chlorine resistant—perfect for chlorinated pools or tropical getaways.

Perfect if you love:

Curve fashion that’s functional
Easy transition from swim to stroll
Pieces made for plus size billboard moments (you know the ones!)

5. Tankini Tops, Rash Vests & Adjustable Magic

Support meets style with our tankini tops and rash vests. Whether you're chasing waves or lounging poolside, our designs deliver flexibility and function for fuller figures.

From the Bamboo Grove Underwire Twist Front Tankini to the Silhouette Island Underwire Tankini, these pieces are built with underwire support, adjustable straps, and tummy control panels to support curves with confidence.

Also in the lineup:

Rash vests like the Soho Short Sleeve or Sunset Short Sleeve for sun safety
Swim shorts and high waisted bikini sets for comfy coverage
Made to move — with styles offering support up to G cup sizes

6. Australian Swimwear, Designed for Aussie Women

We get it. Your body isn’t generic, and your swimwear shouldn’t be either. That’s why we proudly stock Artesands—an Australian brand that specialises in plus size swimwear made to fit and flatter curves. Designed for real women, real sizes, and real comfort.

Why shop The Foundation:

Seamless, supportive online store experience
Tried, tested, and loved by curvy Aussie women
Inclusive sizing from AU12 to AU30, made to embrace your shape

Explore every style across our inclusive range: Shop Swimwear for All Sizes

7. Accessories That Say Summer Done Right

A great swimsuit deserves an equally fabulous finish. Level up your summer look with lightweight layers like the Passionflower Kimono – Coral Print or the Marie Kimono in Black, Ivory, or Navy. Designed for comfort and confidence, these breathable cover-ups are made for long, sun-soaked days.

What to pack this summer:

SPF, a wide-brim hat, and your favourite sandals
Swim cover ups perfect for resort lounging or beachside brunch
Stylish simplicity that complements every suit in your swim drawer

Confidence Looks Good on You

At The Foundation, we believe every woman already has a bikini body—all you need is the swimwear to match. With chlorine resistant swimwear, reversible options, and high-quality shaping styles, we’re here to help you step into Summer 2025 with style and self-love.

Shop Swimwear at The Foundation and Explore All Sizes to discover what it feels like to wear swimwear that actually fits.

Delivery, Returns & Contact Us – everything you need to know is right here.

FAQs

What’s the best plus size swimwear for fuller busts?
Look for tankini tops, built-in bras, and underwire designs available in cup sizes up to G cup.
Do you sell reversible options?
Absolutely—our Valencia Wrap Top, Betty Wrapsuit, and Negroni Bottoms are all reversible.
Are your suits chlorine resistant?
Yes! Perfect for laps in chlorinated pools without wear or tear.
What size range do you stock?
From Australian size 8 to 30, including XS to 3XL.
How does delivery work?
We offer both standard and express shipping options through Australia Post, ensuring your order arrives safely and reliably wherever you are in Australia. You can view all delivery details on our Shipping Policy page.