Arc'teryx Silex Cap
A grab-and-go cap for a casual day at the crag, this Arc'teryx hat is lightweight yet durable. The tough nylon outer resists wear and tear. A Spacermesh sweatband takes care of perspiration.
- Spacermesh™ sweatband promotes breathability, absorbs perspiration and dries quickly in warm weather
- Button-free top ensures a clean look and seamless fit under a climbing helmet
- Lightweight, rounded brim stays low-profile and out of your way as you move
- Snapback adjustment strap
- Water-repellent
- Embroidered logo spans the darted front panel, balancing minimalist structure with a laid-back aesthetic
- Relaxed fit inspired by the Arc'teryx Bird Head toque
- Contains materials that meet the bluesign® criteria
- Primary fabric is bluesign®-approved material
- PFAS (per- and polyfluoroalkyl substances) compliant
Imported.
View all Arc'teryx Men's Ball Caps| Best Use | Hiking |
|---|---|
| Hat Style | Ball Cap |
| Fabric | Nylon outer |
| Visor/Brim | Yes |
| Head Circumference | S/M: 21.75-22.5 inches L/XL: 22.75-23.5 inches |
| Length of Bill | Unavailable |
| Gender | Unisex |
| Sustainability | Contains materials that meet the bluesign® criteria |
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I don’t think this hat has any flaws
For starters I’m bald and shave my head often. So I feel like I’m constantly looking for the right hats. I’ve had this for 24 hours and truly find it to be thee most comfortable hat I’ve tried and checks so many boxes. It seems fairly breathable but haven’t gotten to use it actively yet. It has such a comfortable band. Again, for a bald guy it’s so ideal. It’s super soft. I’m sure it packs well. I’m 6 feet tall with a fairly normal to slightly large head and small/medium is perfect whereas for tried the gamma in s/m and it was laughably small. I hope they use these materials more in other hats because it’s just that comfortable.
Large heads rejoice
Early impressions are fantastic. As someone with a larger head, finding hats that actually fit well is a challenge. This one nails it. The fit is excellent—comfortable, secure, and sits properly without feeling shallow or tight. The material feels premium, and the construction is top notch. Even the logo stitching is clean and precise. Zero complaints so far. This is easily one of the best lightweight hats I’ve come across. I picked it up in both black and forage, and I’m already considering the moondrop colour. The black with gold is stealthy with just the right amount of contrast, while the forage is earthy, minimal, and easy to wear. Honestly, no cons at this point. This is the hat I’ve been searching for. Multiple compliments within the first week of wear. S-tier hat.
Love this hat
I really like this hat. I checked all 5 of Arcteryx’s offerings for the breathability line and landed on this. The brim is a nice size and structured just enough. The material is super breathable - I wear it on warmer days and my head doesn’t sweat nearly as much as traditonal hats. I actually purchased this for sunny ski touring, but now it’s become one of my go-to everyday items. I’ll probably buy a second color…
Do No revise this hat
Don’t revise this product it is literally perfect and I need like 2 more hats in green and purple so please do not “revise” them and mess up this design it it literally perfect. The hat is so light too I forget I have it on at times.
Light Hat
Bought this hat couple days ago and wore it day of on my 3 miles hike! Totally forgot it was on my head thats how light it is!! Its really cool, fits how i expected i bought the L/XL size and it fits perfectly on my head!
My new favourite hat
great fit, shape and feel excellent length of the beak, adjustment tab in the back is made of softish rubber that doesn't cut into back of your head
outdoor performance and everyday style
I picked up the Silex Cap looking for a lightweight, technical hat that could handle both hikes and everyday wear, and overall it delivers.
Not Bad
This hat is functional and has a nice cropped graphic but I would prefer it with a structured front.
Comfortable!
Great hat, and great quality. It's perfect for my head shape and my hair volume.
deep fit
a really deep hat fit is really good. good material as well

