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Celsius Tank

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Colour
Black
Blush
Light Grey Marle
Dusty Navy
Size

We know what you’re thinking: how will a merino tank keep me cool when it’s warm? Well, we’ll tell you! We’ve blended our softest, finest merino, together with a special blend of plant fibre, to come up with a fabric that will keep your core comfortable and cooler for longer when the temperature rises.

The Celsius Tank is part of our Summerino range, and it features our coolest ever fabric, that is naturally breathable, temperature regulating, moisture wicking and odour resistant - and feels ridiculously good next to your skin.

It’s designed to be worn in milder to warm weather, but really the easy fit delivers performance and comfort all year round. Whether you’re pushing hard, doing not much at all, or something in between, go with the io Women's Celsius Tank to feel good no matter how warm it gets outside.

The Celsius Tank has a versatile and relaxed fit, with a drop back hem for extra coverage.

Pair with a Zodiac Crop Top to maximize comfort, style and MicroMerino® performance.

Why you’d buy this: You want something extra lightweight for warmer weather, or you’re more prone to overheating even in cool weather and want the lightest merino thing you can get your hands on. And you want something natural. This one blends merino with plant fibre so it’s still super natural which means almost no microplastic issues when you wash it or landfill when you’ve finished with it.

As with all our clothes, the merino delivers natural temperature regulation, breathability, moisture wicking and odour resistance.

Designed to have a casual, relaxed fit. Still true to size but in an easy, loose fit.

Model wears size small in Black.
Model specs - height 167cm, chest 78cm, waist 63cm, hips 81cm.

Model is 5'8" and wears size small in Blush, Light Grey Marle, and Dusty Navy.

Size Guide. Casual Fit.

Warm Weather 

Hiking

Running 

Yoga

Extra lightweight 150gsm

18.5 microns

45% Australian Merino Wool

45% Tencel

10% Nylon

BENEFITS OF MERINO

LIGHTWEIGHT

THERMO REGULATING

SUPER SOFT & COMFORTABLE

BREATHABLE

MOISTURE WICKING

ODOUR RESISTANT

NATURAL

ETHICALLY MADE

Customer Reviews

Based on 8 reviews
88%
(7)
13%
(1)
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J
Julie Ritchie (Sydney, AU)
Love the fit.

Fits so nicely, feels and looks really good :)

L
Lyn Sorensen (Sydney, AU)
Very happy

I’ve not worn this but tried it on and I can’t wait for warmer times to wear it. Although, if you’re a runner you may love it any time of the year . I have 4 pieces of IO now, 2 mongrels a Tshirt and a tank all surperb quality from fabric to manufacture. No more of that other brand for me.

C
Coralie Sebestyen
Best tropic top eva!!

Got this tank top especially to wear on holidays to Bali. Managed to wear for a few days b4 needing a wash even though it was soaked in sweat.
These tops r the best for keeping u cool while in the tropics

We hope you had a great trip Coralie :) Thank you for such a nice review!

T
Teyla (Sydney, AU)
Celsius Tank

So light and comfortable. It stays dry on a hot day and feels so good on the skin I forget I'm wearing it. Breathable in warm temperatures and works well for a workout or a trip to the Cafe (or both!) Good fit.

K
Kate Roocke
Cool tank

Great fit, true to size and soft breathable material

G
Gemma (Newcastle, AU)
Lightweight tank

A good lightweight tank that is super soft. Slightly on the see-trough side when wearing dark colours underneath and under the arm is a little low for my liking. Overall, though this is a good summer tank to wear on hot and humid runs.