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Phase LS Zip Neck LS - ARCTERYX


Women's Sizing Chart

Made from an advanced performance fabric created for high-output activities, the women’s Phase SL Zip Neck is a silkweight base layer that rapidly wicks moisture, stretches with the body. Next-generation Phasic™ SL yarns speed dry times, improve moisture transfer and elevate comfort. The tall collar adds coverage, and the deep front zip provides ventilation. Gusseted underarms facilitate ergonomic freedom. Updated style lines and improved fit.


  • Moisture-wicking
  • Breathable
  • Quick-drying
  • Next-to-skin fit aids thermal efficiency and moisture transfer
  • Womens' specific design for optimal fit and performance


  • Collar with a deep zip neck provides warmth with rapid ventilation
  • Non-chafing label
  • Mechanical stretch textile for unrestricted mobility
  • Flatlock construction improves next-to-skin comfort
  • Merrow stitch seam construction reduces seam size
  • Phasic™ Technology by Teijin  
  • Phasic™ SL—100% polyester
  • Machine wash in cold water.
  • Tumble dry on low heat.
  • Iron on low heat.
  • Do not use fabric softener.

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