Arc'teryx  Aerios 5-Panel Cap

I’ve been using the Aerios 5 Panel Cap for walks around Vancouver and outdoor activities, and it has quickly become one of my favourite caps. The fit is excellent and feels comfortable even after wearing it for several hours. What stands out most is how lightweight and breathable it is. It doesn’t feel heavy on my head and provides great comfort during warmer days and longer walks. The material dries quickly and manages moisture well, which makes it a great option for summer hikes and everyday outdoor use. I also love the colour—it pairs easily with many of my Arc’teryx pieces. Overall, this is a comfortable, functional, and well-designed cap that I would definitely recommend.

I used this hat in the gym, hiking and biking. I loved how light it was and kept the sun off my head. I took it on a trip to Ottawa and it was incredibly packable and returned back to its shape. I liked the Arc’teryx written under the brim. It was great for under the helmet on the bike and hiking on the trails. I wouldn’t recommend as a gym hat as it doesn’t absorb the sweat but it’s awesome for what it’s designed for.

Like the ultra lightweight construction. Was handy for backpacking. Wish it came is XS as the s-m is too large for my female head and looks quite wonky for such an expensive item. What really bugs me is that care instructions forbid washing it, so here I am, stuck with a hat full of salt after the summer adventures, not sure how to clean it so the materials of this expensive hat don't decompose on me.

The hat is extremely lightweight, and now other hats feel heavy in comparison. However, the S-shaped hook for adjusting the size fell off during the second time I wore it. Could you please let me know how I can obtain a replacement part for this?

Lightest hat and most breathable hatI’ve ever owned extremely packable, have multiple technical hats. Miriam Miriam did you stick you’re looking for the best option possible regardless of price stop thinking and buy this one now.

Great looking hat! I love the colors, love the fit, and love how lightweight it is. HOWEVER, it is actually incredibly hot. I don't find it breathable at all. Far less than any other hat I own. It's likely because of how lightweight and compact it is. No air gets through anywhere. I can wear it in the winter to keep my head warm, but it's far too hot otherwise. I wish it came with a mesh back paired with the same lightweight material. Also, as others have mentioned, you can't wash it and you can't stuff it in a bag. If the brim gets folded, it won't regain it's shape.

Solid fit & comfortable hat - I’ve used for walks around the neighborhood and light hikes.

Good hat until it deforms because as the instructions say "only surface clean" and do not wash... hmm what happens when the hat becomes soaked in sweat and dries in variable climates? It'll get deformed. How do you surface clean a hat that's been soaked in sweat??? Specifically in my case the part that gets deformed is most likely the fabric on the underside of the rim. It looks like it shrunk a tiny bit and now the rim is permanently deformed. What kind of running/sports hat works like this??

Good design, fit, and materials. Super light and incredibly breathable, by far the most breathable hat I’ve found. Might seem like a petty complaint, but the logo fell off after the second use. For this price the branding should not be delaminating immediately. Zero support from the folks at the store when I tried to return it. Arcteryx really stacking up the L’s here lately. Another dud. Think I’m done with this brand.

I want to like this hat and there is a lot to like. The fit is fantastic, it's VERY light weight and the design is superb. Unfortunately, it doesn't allow air to pass easily and I find that it runs hot. I have the wool 5 panel hat that I find myself choosing over this even on really hot days. If a ventilated version of this hat were to be made, I think it would be one of the very best.