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Phase AR Bottom Men's - RevisedSynthetic, moisture wicking baselayer for all round high output use.


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Phase AR Bottom Men's Midweight Phasic™ baselayer bottom for all round use cooler temperatures.
Phase Series: Moisture wicking base layer | AR: All-Round.

Midweight Phasic™ baselayer bottom for all round use cooler temperatures. Phase Series: Moisture wicking base layer | AR: All-Round.

2 Detail Photo(s)
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S, M, L, XL, XXL
140 g / 4.9 oz
Sizing Chart: 


Created for high output in cooler temperatures, the Phase AR Bottom is a men’s midweight baselayer for made from next generation Phasic™ AR. An Arc’teryx fabric engineered to provide insulation, dry quickly, and offer performance stretch, Phasic™ AR uses different polyester yarn structures on its interior and face to most effectively wick and disperse moisture. Strategically placed silkweight Phasic™ SL panels improve thermal regulation and reduce bulk. Updated style lines and improved fit.

Learn More About This Product


Moisture wicking base layer for interval activities.

AR | All Around

Provides high performance & weather protection and highlights a range of features to give All Around versatility in multiple activities.

Full Feature List

Technical Features
  • Moisture-wicking
  • Breathable
  • Quick-drying
  • Mechanical stretch textile for unrestricted mobility
  • Merrow stitch seam construction reduces seam size
  • Flatlock construction improves next-to-skin comfort
  • Hybrid Mapping reduces bulk while improving thermal regulation
  • Silkweight Phasic™ SL panels at back of knee reduce bulk while improving thermal regulation
  • Next-to-skin fit aids thermal efficiency and moisture transfer
  • Anatomical shaping for fit and comfort
  • Gusseted crotch
Waist & Belt Configuration
  • Comfort waistband with laminated, soft-brushed finish
Logos & Label Configuration
  • Non-chafing label


  • Phasic™ Technology by Teijin  
  • Phasic™ AR—100% polyester
  • Phasic™ SL—100% polyester


  • Machine wash in cold water.
  • Tumble dry on low heat.
  • Iron on low heat.
  • Do not use fabric softener.


  • Best in Test - Klikk (Norway)
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