Arc'teryx Phase SL LS Zip Neck

Priced: $78.95 Rated:   - 5 stars out of 5 by 1 review.
Arc'teryx Phase SL LS Zip Neck
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Color: Summit Sky
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Arc'teryx Phase SL LS Zip Neck -

The Arc'teryx Phase SL Zip Neck LS is a silkweight base layer zip neck long sleeve appropriate for high output activities. Rapid dry, optimal moisture management suits intense activity, interrupted action, layering or warm environments. Next-to-skin fit permits rapid transfer of moisture.


  • Next-to-skin fit keeps this top close to your body for warmth and moisture transport, and an articulated design offers unrestricted movement in the arms, shoulders, and torso


  • Zip neck provides rapid ventilation while a taller collar provides warmth


  • UPF 25-rated fabric allows this garment to offer protection against the sun's harmful rays
  • Phasic SL - 70% polyester, 30% polypropylene
  • Phasic fabric uses synthetic fibers that feel soft to the touch, and these fibers aid the transport of moisture from the surface of your skin to the surface of the fabric where the moisture can evaporate
  • Phasic SL fabric provides exceptional moisture management
  • Encapsulated silver ions help the fabric resist odor-causing bacteria

Weather and Wind:

  • Flatlocked seams improve next-to-skin comfort
  • Flat seams feel smooth against your skin, unlike traditional seams which result in chafing


  • Zip neck opens to provide rapid temperature regulation
FEATURES of the Arcteryx Men's Phase SL Long Sleeve Zip Neck.
SPECIFICATIONS of the Arcteryx Men's Phase SL Long Sleeve Zip Neck.

Run, hike, bike or climb while wearing the Men's Phase LS Zip-Neck Top. This silkweight foundation layer will aid the movement of sweaty moisture from the surface of your skin to the surface of the top where it can quickly evaporate so you stay cool and dry. Arc'teryx further engineered this top with a quarter zip and an articulate cut.

Mountain Gear
For those hot days on the trail, the Arc'teryx Phase SL Long Sleeve Zip Neck baselayer keeps you comfortable and sweat-free.
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Average Price History: Price History
Review RatingNumber of Reviews
Clothing Fit:Trim Fit
Fabric Weight:Microweight
Material:Body: Phasic AR (87% Polyester, 13% Polypropylene); Underarm: Phasic SL (70% Polyester, 30% Polypropylene)
Shirt Style:Half-Zip
Sleeve length:Long Sleeve
Style:1/4 Zip
Type:Long Sleeve
Weight:4.4 oz / 125 g
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Subcategories of Fleece & Base Layers:

Arc'teryx Phase SL LS Zip Neck Review:


Its funny how well this stuff works, for ever I believed in merino as the perfect underlayer for hiking, but I was always wet and would get cold when stopped. This layer though thinner is better, when I stop I can stay warm since my core is dry. This SL is a little thin for winter but great during the other seasons.

Greg Hill at on 06/26/2013