![Person wearing a red floral long-sleeve thermal rash shirt on a beach [model_fit: Courtney wears Ladies 16 (L16)]](http://www.kozii.com/cdn/shop/files/2_6d2a9e96-1b1b-4aa3-8992-032f50fe7553_1024x1024.jpg?v=1777955152)
![Woman wearing a blue patterned swimsuit on a beach [model_fit: Ellie wears Ladies 10 (L10)]](http://www.kozii.com/cdn/shop/files/Oneapplication.You_llseewhy99_recommendit._7_1024x1024.jpg?v=1780025852)
![Woman wearing a pink swimsuit with white patterns and goggles, standing outdoors. [model_fit: Ellie wears Ladies 10 (L10)]](http://www.kozii.com/cdn/shop/files/19_f641356b-adcc-4007-9ff0-e79b49798314_1024x1024.png?v=1780040443)
KOZII SWIMWEAR ARE PROUD TO SUPPORT DIVING AUSTRALIA
![Woman in black thermal rashshirt outfit stretching outdoors with a clear blue sky. [model_fit: Ellie wears Ladies (L10)]](http://www.kozii.com/cdn/shop/files/26_26e34ac6-3bf9-4dad-a572-be0a1f68067f_1024x1024.png?v=1780041524)
Let customers speak for us
Jo-Anne Ng
Fab colour. Great hold for diving.
Love it! Has kept its hold and I took it with me to compete in Croatia. Colour really pops out against the Adriatic backdrop.
CT 2 TONE CRANBERRY ELITE BIND ONE PIECE
Anonymous
great colors and good
great colors and good fit
WAMBURA XOVER ONE PIECE
Anonymous
Perfect size and style
Perfect size and style.
GARRA BASIC ONE PIECE
Karen Short
Kozzi are the best swimwear I have used in more than thirty years of competitive and social swimming
Kozzi are the best swimwear I have used in more than thirty years of competitive and social swimming. Best fit, fabric, design and they look and feel great.
CT 2 TONE CRANBERRY ELITE BIND ONE PIECE
Anonymous
Under promised and over delivered
Good quality 👌
ONYX BLACK THERMAL FITTED RASHIE
Sue Hellier
Love my kozzis
I love these swimmers, great styling and fit. They are comfortable and a beautiful print.
GARRA BASIC ONE PIECE
Anonymous
Great
Great support
Free Unlimited Return for $3.50 Valid in AU.
Anonymous
Amazing
Amazing
ONYX THERMAL TIGHTS
Anonymous
Sizing note
I usually wear a 10 in the Elite bind in other fabrics. I opted to size up to a 12 for the CT fabric, but I didn't really need to. It was slightly tighter than the other fabric but I would have been fine to stick with the 10. I prefer a tight fit. Ill be getting a 10 next time. Awesome suit, love it.
CT MIDNIGHT ELITE BIND ONE PIECE
Anonymous
I love my Frankii thermal rashie
I love my Frankii thermal rashie. It is much warmer than my normal rashie as the water in my area is down to 14 degrees at present and it will probably get colder.
FRANKII THERMAL FITTED RASHIE
Anonymous
Cute
Cute colours and very comfortable
CT SPLICE WATERMELON ELITE-X ONE PIECE
Anonymous
Great Quality
The fabric quality is great, comfortable, good coverage, love the back and the pattern
MAGARRA XOVER ONE PIECE
Felicity Hempenstall
Under promise over deliver on product, ordering, despatch and delivery
Very warm and suitable for winter land holidays as well as in the water
ONYX THERMAL TIGHTS
Customer
I love this thermal rashie
I love this thermal rashie. It gives me full movement and extra protection from the cold in the water and from the wind out of the water.
FRANKII THERMAL FITTED RASHIE
Joanna Bartlett
Great bottom coverage
Great bottom coverage, beautiful aboriginal design and color.
WAMBURA XOVER ONE PIECE
Blog posts
Plus-Size Swimsuits for Larger Bodies: A Guide to Finding the Perfect Fit
A practical guide to finding plus-size swimsuits that actually fit well, feel supportive, and stay comfortable in the water. Learn what to look for in fabric, structure and design.
Chlorine-Resistant One-Piece Swimsuits: Are They Worth It?
Chlorine-resistant one-piece swimsuits are designed to last longer in the pool by resisting fading, stretching and fabric breakdown. Learn how they work, who they’re best for, and whether they’re worth the investment for regular swimmers.
Supportive Swimsuits for Larger Busts: How to Find Real Support
The most supportive swimsuits for larger busts have a built-in shelf bra or strong inner support layer, wider straps, a secure back (such as a crossover back), and full coverage through the bust and torso. A one-piece generally gives more support than a bikini. At Kozii, our full-coverage one-pieces offer shelf-bra options and a crossover Xover back designed to keep everything secure.