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Arc'teryx Phase SL Zip-Neck Top - Women's

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sale $63.75 Original price:$85.00

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Phase SL Zip-Neck Top

Spring brings big, wet storms and milder temps, so slip on the silkweight Arc'teryx Women's Phase SL Zip Neck Top before you go touring far into the backcountry or up in altitude. It provides ample warmth as an ultralight baselayer and silky-smooth layering capability, and the Arc'teryx Phasic SL fabric breathes and wicks away sweat for cool, dry comfort.

  • Silkweight baselayer for spring skiing and warm tours
  • Superlight Phasic fabric wicks moisture, dries quickly, and breathes
  • Next-to-skin fit adds thermal efficiently and moisture transfer
  • Tall collar with deep zip for rapid ventilation
  • Smooth flatlock seams for chafe resistance
  • Item #ARC00JF

Phasic SL (70% polyester, 30% polypropylene)
UPF Rating
Claimed Weight
Recommended Use
skiing, snowboarding
Manufacturer Warranty

Tech Specs

What do you think about this product?


>Rating: 5

Great lightweight zip

I've used it several times
True to size
Size Bought
5` 4"
123 lbs

I love this half-zip, it is light and breathes very well. I got it in a bright yellow (past season's color) and it has stayed bright colorful after many washes. The material is very light, but has kept me warm on runs and ski days.

>Rating: 5

buy it

Size Bought
5` 5"
118 lbs

The fabric feels great on the skin.

>Rating: 5

Surprisingly burly

I've put it through the wringer
Runs small
Size Bought
5` 3"
125 lbs

I've had this top almost a couple of years now (you can see in the pic that it's a previous year's color) and always thought it was pretty good. I spent a little bit of time treating it gently because the material is so feels fragile, and with the price tag I really wanted it to last. But after a few offwidths and chimneys I just couldn't resist, I can say that I've really put it through the wringer now. I use it mainly for climbing in moderate weather, and I've also used it as a baselayer for snowboarding or ice climbing. The material hasn't pilled, snagged or ripped in spite of some chimney moves on pretty rough and sharp granite. You might be able to see the more of the rock in the attached pic (though this obviously isn't the I'm cruising up a to put in a redirect for our TR anchor, but you can see much more of the shirt). This shirt doesn't hold on to smells the way some synthetics do. Because it's so light it dries very quickly, which is great for overnight washes. By itself it's almost as cool as a t-shirt, but with the extra protection of a high neck - which you can zip down for a little more ventilation - and sleeves. As a baselayer I found it doesn't really add much warmth, but it does wick like crazy, which is its main advantage for me. This top is meant to be sized very tight, which maximizes the wicking features of the fabric. The more skin it touches, the better it will wick. I'm usually a small but still had to size's still a snug enough fit for wicking but I'm actually willing to wear it in public, if we stop for snacks or something on our way home from the crag :) That said, my shirt is from 2013 or so, so it might be worth talking to a gearhead about sizing before you commit in case something's changed.

>Rating: 5

Phase SL zip Neck Top

by the lightness of fabric. I thought it would not be enough on a chilly 50 degree morning, but it did the trick! Comfortable and flattering always work for me. I love the 1/2 zips. Wish it came in more colors!!