Normally, buying a shirt doesn’t really require you reading a review before deciding to buy. But when that shirt is $60 and is meant to perform, it does. The Arc’teryx Phase SL Crew is a base layer shirt that works well in varying temperatures and high output activities. It’s lightweight, looks good, and best of all, feels good.
My girlfriend got me this shirt for my birthday (good job, Dar!). She knew I had wanted a long sleeve base-layer that bridged the gap between warmish weather to cooler temperatures. It’s tough to find as you normally find short sleeves for warm weather and thick long sleeve layers for cold weather. Finding a shirt that operates smoothly during temperature swings is tough. Days where you have cool mornings and warm days overs 50F. I’m talking spring and fall, the times when you’re out a lot. Getting your spring hikes in before the black flies take over and hitting the trout rivers for the hatch action. In the fall, you’ve got September bow hunting when the temperatures are all over the place.
Initial Impressions
As with any Arc’teryx product, I was very impressed with the Phase SL Crew out of the bag. It was light and very soft. Putting it on, it was instantly comfortable, it’s not loose but not tight either. It has a slightly athletic cut, its tailored with high gussets around the armpits and tight around the chest. It’s not Under Armor tight, but it’s not baggy like a t-shirt. It straddles a middle ground that traps body heat but doesn’t burn you up either. I’ve tried just about every base layer material there is out there, from merino wool to straight up spandex. This is the ONLY shirt I’ve ever put on that was instantly comfortable. I was shocked, I searched for something to gripe about. Merino wool is sometimes scratchy when you first put it on, spandex and Under Armor is so tight you feel like you’re choking. This shirt just is. You put it on and forget about it.
Material
The material will instantly draw your attention due to its patterning and softness. It has a horizontal striped micro pattern on the shirt. You can’t see it unless you’re about a foot away. Arc’teryx touts that this helps wick moisture and channel heat. Whatever it does, it works. It doesn’t effect the softness or comfort of the shirt one bit, this material feels great next to the skin. It has some stretch to it, but doesn’t feel spandexy. It’s very thin, it’s nearly see through if you hold it up!
Along with the softness, the 70% polyester, 30% polypropylene fabric has encapsulated silver ions to help with odor control. Being a microbiologist, I can vouch for the anti-microbial properties of silver. This shirt will stink after awhile, but it takes a long while to. I’ve worn this shirt for days without washing it, merely because I didn’t have to!
In the Field
I put this shirt through its paces very quickly after I got it when hiking the Inca Trail in Peru. I wore the shirt for two days straight, through the high temperature swings of the Peruvian Andes. Mornings would start in the low 50′s, while the afternoon highs would reach into the high 70′s. All this with off and on mountain breezes, high exertion hiking, and altitude effects to boot. This shirt kept me warm when i was cold, cool when i was hot, dried quick, and didn’t stink up ruins of Machu Picchu either. Enough said. This would make a great traveling shirt too, especially in the darker colors it’s offered in.
I’ve also worn this under my Sitka Jetstream while out bow hunting. I like it because it holds up well as a singular base layer under the jacket into early November where it really starts to get cold. I plan to use it again for May turkey season.
Observations
None. This shirt is perfection with sleeves.
Lasting Impressions
Would I recommend this to someone else? You bet your ass I would. It’s pricey for a shirt, but when performance counts, this shirt does the trick.
Check out the Arcteryx Phase SL Crew at your favorite online retailers: REI (on closeout!!) / Moosejaw / Amazon









































































































