Arc'teryx  Cormac Crewneck Shirt - Men's

The Cormac shirt was my long-standing go-to, specifically dating back to the original Arc'teryx LEAF line. Those older iterations have held up exceptionally well through years of heavy use, showing minimal wear. Unfortunately, recent revisions have been disappointing. While the fit was eventually corrected after some inconsistent sizing updates, the fabric quality has notably declined. A shirt I purchased less than a year ago is already showing fabric runs and fraying seams. The current, lighter-weight material feels even less durable, and I am concerned about its long-term viability. The attached photo illustrates the stark quality difference between the older and newer versions. I have been fan for over a decade, but now I'd not recommend this product.

Obviously, it is baggier than the previous version once I put it on my body. I just got no idea of the designer, why change this tshirt in continuous three years. I bought cormac in the past three years. Everything is changing, the cut, the material and the UPF capability. My body shape is just good in size M for the past cormac. Now the new cormac is longer in length and even baggier. So I need to find a tailor to cut the length to make it fit. The only good news is the new material feels good than ever. The texture is not bad. My recommendation is you better try it before you buy.

Just to be clear: I never wanted to be a guy that buys $70 dollar shirts….but now I have three of them. Yes they are baggy but I like my clothes loose anyways and they really do stay dry…they’re the only shirts I have that reliably stay dry and keep you as cool as the oppressive Florida summers allow. They say the shirt lost UPF rating but I still get a farmers tan after wearing them so they must be blocking something! One shirt has lasted 5 months so far with no signs of stretch or wear…the only thing I will say is do not wash these shirts with any sort of velcro material such as shorts with closure pockets: they will find the seam, stick to it, and fray the nice stitching lines when you remove the Velcro which isn’t a big deal unless you spent $70 dollars on a shirt…

Guys please stop buying this t shirt, I had the previous version and the quality noticeably going down. The same medium t shirt makes me like mr. Peanut and I wanna cry because wife call me a homeless fat boy

I have 5 cormacs in total. 3 from 2024-2025 2 from this years release with the new fabric. I can say the new fabric here is so much softer and more breathable. However, it’s roomeier (bigger in medium) but it allows for more air flow and I don’t mind. The Phasic material was nice but held onto moisture for a while. The new Solotex does dry up quicker. Buuut, it lost its upf spf rating?? The last phasic was upf50 rated. These aren’t?

This is my third shirt after purchasing one recently and so impressed with how it felt, how quickly it dried and after getting grease on it, how easily it came clean. It’s incredibly light and breathable not like many I have from elsewhere that feel like a plastic bag. The first one I bought has been laundered repeatedly and still looks new, and I hope will continue to be so and so soft and comfortable to wear all day. I would say as with most items from Arc’teryx, it fits true to size. I’m an CL and it has room to breath!

I've been solely a Lululemon customer for technical wear for the past 8 years. I've recently tried Arcteryx and purchased 2 of these shirts and one Gamma Shorts (more to come). Because I'm a new customer, I can't compare with the previous iterations. But I find the material and shape/fit of the Cormac to be superior to the Lulu License to Train (the equivalent tier) tee shirts. And I'm surprised that the Cormac fabric is of Japanese origin which means superior quality and perfection. This will be my main shirt for the hot summers outside and in the gym. I'm atheletic/muscular 5'10" and the M is a good fit. The subtle green and blue color looks great. I'll have to buy the black and grey when they're back in stock. I just hope the shirt retains its shape over time.

Super soft and comfortable shirt. Lightweight and cool for hot trail days. Good quality. Only downside is the price, however it has been worth every penny and I would highly recommend!

The new fabric is great but I feel like overall it's a substantial step back from the previous version. I loved the old version, especially for trail running/hiking with a vest/backpack on. It seemed to have a reinforced neck seam which was amazing; it prevented stretching when the shirt got damp or when I have a pack on. Now the new version is like any other mediocre workout shirt where the neck stretches out substantially as you run/hike. I'm disappointed.

I purchased two Cormac short-sleeve shirts from the previous season, and they are in constant rotation. The 2026 revised version is, for me at least, much more flow-y and much less fitted. The t-shirt is objectively longer than the previous season; there is more fabric. Overall, I feel the shirt is less appropriate for technical/sporting pursuits, and more akin to a casual tshirt. I far prefer the earlier version.