Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
Never sweating through this one
Grips the arms perfectly
Best shirt I've ever owned
Threw out all my polyester shirts
Still looks new after 80 washes
The Shirt Game Was Broken . So I Fixed It.
THE PROBLEM
Every shirt I ever loved — died.
Faded. Stretched. Stank. Fell apart at the seams.
I was spending a small fortune every year replacing shirts I'd paid good money for. It drove me mental. I wanted one shirt. A proper one. Strong. Breathable. Comfortable. Something that would actually last.
FIRST ATTEMPT
"Hemp + Polyster" was the answer. Almost.
Hemp is Earth's toughest natural fibre — four times stronger than cotton. So I tried a pure hemp shirt. It was like wearing a Hessian bag. Scratchy. Stiff. No breathability. Not happening. So I kept searching.
I BLENDED HEMP WITH POLYESTER...
BOOM. I created what I thought was the world's strongest shirt. Lifetime guarantee. Insanely durable. It wasn't super breathable, but it worked. People loved it.
SUCCESS! We took off. Customers were happy. Business was growing. I thought I'd solved it.
"I had two choices: keep selling toxic shirts like every other brand, or fix it."
I went back to the drawing board with one question: how do you make the world's strongest, most breathable shirt — with a lifetime guarantee — using zero synthetic chemicals?
The answer was combining hemp's strength with bamboo's breathability. But no blending method existed. So we created: Gritech™ — our technology that took almost a year to perfect.
The result is the first men's tee built to last your entire lifetime, without a single gram of plastic.
What's Actually on Your Skin Right Now?
Check the tag on whatever shirt you're wearing. Bet it says polyester. Polyester is a plastic made from petroleum. That is not an opinion — that is chemistry.
When you sweat in polyester, plastic fibres sit directly against your skin — the largest organ in your body. Every wash releases microplastic particles into the water. Studies now find microplastics in human blood, lungs, and reproductive tissue.
0%
50%
Decline in average sperm count over 50 years — researchers point to PFAS and synthetic chemicals as a key factor.
0%
40%
Reduced fertility linked to high PFAS exposure. Source: National Institutes of Health.
0%
100%
Of testicles tested in a 2023 study were found to contain microplastics. Including both human and canine samples.
0%
0%
Polyester in a GritWear shirt. We use zero synthetic fibres. Zero PFAS. Zero microplastic shedding.
What's Actually In it?
Engineered with GRITECH™ — our patent-pending fibre technology. Three plants. No plastic. No exceptions.
0%
30%
BAMBOO
Bamboo’s natural microgaps allow constant airflow without coatings that wash away. Naturally odour resistant. 300% more sweat resistant than cotton.
0%
50%
HEMP
Earth's strongest natural fibre. 4× stronger than cotton. Gets tougher with every wash. Naturally UV-resistant, anti-microbial, and incredibly durable. The backbone of DuraWeave™.
0%
20%
COTTON
Just enough organic cotton to keep the shirt satisfyingly soft from the first wear. Grown without pesticides. No synthetics. Pure plant-based comfort.
0%
0%
FILLERS
Just hemp, bamboo and organic cotton, blended for strength, breathability and softness. Every fibre has a purpose. No polyester blended in.
We don't make claims we destroy them
Any brand can write words on a website. We run tests. Real ones. Here's what happened.
-
THE FLAME TEST
GRITWEAR BURNS CLEAN. THE REST MELTS INTO POISON.
We held a flame to a polyester competitor and a GritWear side-by-side. The polyester shirt melted into toxic, bubbling, black-smoking plastic goo. The GritWear burned cleanly — like wood in a campfire. One is plants. One is petroleum.
RESULT: 100% PLANT-BASED CONFIRMED
-
THE FOG TEST
POLYESTER TRAPS HEAT. RAWROOT LETS IT FLY.
We blasted fog behind both shirts. The polyester shirt trapped it — heat stays in, sweat stays on you. The GritWear? The fog moved straight through the fabric. This is Gritech™ bamboo breathability. Not a chemical coating — the actual structure of the fibre.
RESULT: 300% MORE BREATHABLE THAN COTTON
-
THE POOL FLOAT TEST
THROWN IN A POOL. DIDN'T SOAK UP A THING
We threw a GritWear tee and a polyester competitor into a pool. The polyester shirt soaked through immediately — heavy, waterlogged, clingy. The GritWear? It floated. GRITECH™ bamboo fibres move moisture outward instead of absorbing it inward. No sweat patches. No soaked-through look by noon. No stink after a big day. That's not a trick — that's the structure of the fibre itself.
RESULT: MOVES MOISTURE OUT. NEVER TRAPS IT IN.
-
THE SWEAT TEST
WE HIT IT. HARD. IT LAUGHED.
We placed a balloon inside each shirt and fired at them. The cotton and polyester shirts? Shredded. The GritWear? The balloon survived. Hemp tensile strength is not marketing — it is measurable, documented science. 4× stronger than cotton.
RESULT: 4× COTTON TENSILE STRENGTH CONFIRMED
-
THE 100-WASHES TEST
100 WASHES. STILL BRAND NEW.
We washed the same GritWear tee over 100 times. No fade. No sag. No shrink. No odour buildup. The fabric actually gets softer and stronger with repeated washing — a unique property of hemp fibres. Meanwhile, a polyester competitor was starting to fall apart after 20 washes.
RESULT: LIFETIME GUARANTEE FULLY JUSTIFIED
-
THE 100-WASHES TEST
THE GYM TEST. IT'S STRONG AF.
We washed the same GritWear tee over 100 times. No fade. No sag. No shrink. No odour buildup. The fabric actually gets softer and stronger with repeated washing — a unique property of hemp fibres. Meanwhile, a polyester competitor was starting to fall apart after 20 washes.
RESULT: LIFETIME GUARANTEE FULLY JUSTIFIED
GRITWEAR vs. Every Other Internet Tee
See how we compare with the others.
Questions?
Frequently asked questions
How long does shipping take?
How long does shipping take?
Orders are dispatched within 1 to 2 business days. Delivery usually takes another 3 to 7 business days, depending on your location in Canada. Shipping is free across Canada.
What is your return policy?
What is your return policy?
Absolutely. Every GRITWEAR tee is backed by our Lifetime Guarantee. If it sags, fades or loses its shape, we’ll replace it. Just contact us with your order details and we’ll take care of it.
Do you ship outside Canada?
Do you ship outside Canada?
We currently ship within Canada only. Every order includes free shipping, wherever you are in the country.
How can I track my order?
How can I track my order?
Once your order ships, we’ll email you a tracking link so you can follow your GRITWEAR delivery right to your door.