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Celsius Tee

or make 4 interest-free payments of $19.00 fortnightly with More info

Colour
Dusty Navy
Black
Light Grey Marle
Size

We know what you’re thinking: how will a merino Tshirt 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 Tee 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 Men's Celsius Tee to feel good no matter how warm it gets outside.

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.

True to size. Designed to have a casual, relaxed fit. 

Model wears size medium in Dusty Navy and Light Grey Marle.
Model specs - height 181cm, chest 103cm, waist 32inch.

Model wears a size medium in Black.
Model specs - height 179cm, chest 91.5cm, waist 81cm, hips 88.3cm.

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 3 reviews
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S
Shane Kennedy (Brisbane, AU)
Comfortable, great quality

Very comfortable and soft, good quality and fit.

G
Glen Daws (Sydney, AU)
Comfort, fit and style

Really pleased with the fit

G
Gav (Canberra, AU)
Love it

I currently own 6 different IOmerino shirts and they are by far my favourite and most comfortable shirts. This Celsius Tee is a more traditional t-shirt, but still has a close fit to the body. I'm actually wearing it right now. I use all of my IO shirts as standard shirts during the warmer months and when it cools down they become my under shirts.
These products are a little pricey, but you are absolutely getting a quality made shirt that should last you for a long time