![Person wearing a red floral long-sleeve thermal rash shirt on a beach [model_fit: Courtney wears Ladies 16]](http://www.kozii.com/cdn/shop/files/2_6d2a9e96-1b1b-4aa3-8992-032f50fe7553_1024x1024.jpg?v=1777955152)
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
Jodie Gosper
I absolutely love my kozi swimsuit
I absolutely love my kozi swimsuit. It fits perfectly and is really comfortable. I love the design, was very hard to choose. Will definitely get more
WAMBURA XOVER ONE PIECE
Anonymous
Mermaid Xover one piece
Love the comfort with the support of these Mermaid Xover one piece. Would love another pair in pink if you ever make any in that shade :)
MERMAID XOVER ONE PIECE
N.A.
Good quality and great fit
ONYX BLACK THERMAL FITTED RASHIE
N.A.
Good quality and great fit
ONYX THERMAL TIGHTS
Christie Seumalo
Love this color scheme! This suit is great fitting and my second one in this style (have the
Love this color scheme! This suit is great fitting and my second one in this style (have the Sangria). If you have ANY issues with 'side boob' this suit is for you!
CT SPLICE WATERMELON ELITE BIND ONE PIECE
Anonymous
Beautiful kozii
Beautiful kozii
WAMBURA ELITE BIND ONE PIECE
Nicole
Love
Love. Comfy. Held everything in place.
MERMAID ELITE-X ONE PIECE
Paulette Reid
love It
Excellent garment, so light and easy to wear yet very warm. Allows for movement, not restrictive at all. Highly recommend
ONYX BLACK THERMAL FITTED RASHIE
Carol Z
love it
love it...
NGARRAN XOVER ONE PIECE
Anonymous
Love
Love it
MAGARRA XOVER ONE PIECE
Anonymous
Incredible fit
Incredible fit. Best swimwear I have owned
MAGARRA RACER
Lisa Bird
Warm
Warm, comfortable, easy to get on and off. Easy to swim in and definitely keeps you warm during the swim. Very happy with them.
ONYX BLACK THERMAL FITTED RASHIE
Lesley Chapman
Lovely soft material and a good fit
Lovely soft material and a good fit.
LAGUNA RED XOVER ONE PIECE
Sue Vale
Gorgeous pattern
Gorgeous pattern. Fit on the small side but good for a new pair of togs. Love them!
WAMBURA XOVER ONE PIECE
Paulette Reid
Fantastic product, great service
These are great, so lightweight but warm at the same time. I use them for rowing and they keep me warm on those chilly early morning sessions. I love that they are made locally and they are so comfortable
ONYX THERMAL TIGHTS
Blog posts
Not Just for the Water — Why Kozii Thermals Are Your New Everyday Essential
Kozii Thermals were built for the water — but our customers are wearing them skiing, to work, and everywhere in between. Discover our 100% Australian-made women's thermal swimwear: chlorine-resistant Thermal Rashies and high-waisted Thermal Tights, crafted from Italian hydro-fleece fabric for warmth, comfort, and unrestricted movement.
Why We Made Swimwear for Long Torsos (And Why It Took Us This Long to Talk About It)
For too long, swimwear has been designed around one body. If you have a longer torso, you know the frustration — straps that dig in, fabric that pulls, a fit that never quite works. At Kozii, we went back to the drawing board to change that. Here's why we built our long torso fit, and how we did it.
Garra: The Depth Beneath the Surface
Garra Meaning deep water in Wiradjuri language, Garra honours the stillness, stories, and power beneath the surface. Chloe Saddler's second Kozii collection — available in the Racer, Xover One Piece, Elite Bind One Piece, and Basic Jammer.