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The Arc'teryx Phase SL Short-Sleeve Crew refuses to be pinned down to one season or activity. Whether you're outdoors running, hiking, climbing, or skiing, or you're at the gym escaping bad weather, the Phasic SL is engineered to keep you dry; you'll be extra-comfortable, too, thanks to the new, softer fabric.

  • Lightweight Phasic SL fabric provides enhanced breathability to regulate comfort during aerobic activities
  • Multidimensional polyester yarn in Phasic fabric wicks moisture with remarkable speed, while soft, fine polypropylene yarn features embedded silver-ion technology to fight odors
  • Mechanical stretch allows plenty of freedom of movement and a close, next-to-body fit that encourages wicking
  • Flatlock seams won't chafe under pack straps or with repetitive motion
  • UPF 25-rated protection prevents sunburn on your high-altitude adventures

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Arc'teryx Phase SL Crew Top - Short-Sleeve - Men's

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Here's what others have to say...

4 5

Stay Cool My Friends

  • Familiarity: I've used it several times
  • Fit: True to size
  • Height: 5' 10"
    Weight: 150 lbs
    Size Purchased: Medium

I bought these as gifts, but they have been very well received! Primarily they have been used trail running, climbing, and mountain biking. Mostly, the feedback has been about how breathable the shirts are overall. They are definitely tight fitting, but meant to be, and are extremely comfortable at that! I would suggest only using these in Spring, Summer, or early Fall as they are lightweight, but they are a great choices for high aerobic activities when you need protection from the sun but want to stay cool!

3 5

Changed shape

  • Familiarity: I've put it through the wringer
  • Fit: Runs small
  • Height: 5' 10"
    Weight: 190 lbs
    Size Purchased: Large

I have a few of these. The older ones with the logo of the bird are better fitting. The newer ones have a cylindrical cut, long and narrow. If you have anything like a V shaped body they do not fit properly. The new ones are longer but much narrower, I guess they had to keep the amount of garment used the same, could not give the old shoulder width and the new length.

4 5

Great Athletic Shirt

  • Familiarity: I've used it several times
  • Fit: Runs small
  • Height: 6' 1"
    Weight: 172 lbs
    Size Purchased: Medium

Lightweight, comfortable. This thing breathes very well, wicks moisture more rapidly than anything else I own, and dries very quickly.

Even though the shirt is designed to fit skin-tight and is pretty stretchable, I'd still say it's slightly on the small side across the chest. I can still wear a medium, but if I had any more muscle mass it wouldn't fit. Also, the shirt is pretty long.

3 5

Snug fitting base layer

  • Familiarity: I've put it through the wringer
  • Fit: Runs small

These certainly fit snug, I am 165 (5'10") and use a size medium.Great baselayer when heading out on the mountain or even backyard with the kids. wicks away moisture very well but sometimes I find that it feels a bit damp after a day of hard skiing (although you never notice the dampness). Same issue when using it for running it does not seem to dry as fast as some of my other tech T's. The bonus is that you really do not have that damp feeling that some of these products have when using them.
Overall decent baselayer, I am not sure about the anti microbial layer as I find they do get a case of the stinks if they sit around in my laundry bin for a few day (similar products that have anti microbials i have used did not have this same prob)

4 5

Good alternative to wool

  • Gender: Male
  • Familiarity: I've used it several times

I'm a dyed in the wool...wool fanatic, love the icebreaker, ibex and patagonia wool lines, but I have been wanting something that really dries fast. Have not been a big fan of capilene 1, but I really like my ArcT motus shirts so I gave this a try. First, I went with a really performance fit in M. I'm 5'11" 178lbs...reasonably athletic build. It is snug, but it will always be worn under something else so I don't care. Good news is that it is long enough not to pull above the belt when bending over to set bindings etc... Feels really good on the skin, like the motus, and really really wicks. Does not stay wet or stink too much at the end of the day. Have not done back to back days w/o washing so can't attest to long term odor retention. Liked it enough to order a second one.