HOT ! BasePro 1/4

The BasePro 1/4 Zip brings precision temperature control to your cold-weather layering system. Engineered with AERIS™ 250 insulated, 4-way stretch fabric, this piece regulates core warmth while allowing full freedom of movement. The 1/4 zip adds easy venting for high-output activities or changing conditions. Moisture-wicking and antimicrobial, it keeps you dry, warm, and fresh even in tough environments.

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    Replaces 2–4 traditional layers – Ditch the bulk

    
    
  
  
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    Adaptive ventilation – Zip down for cooling, up for warmth

    
    
  
  
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    Versatile single layer – Wear solo or under your favorite shell

    
    
  
  
  
  

 BasePro 1/4 Zip (TRUE TO SIZE)

Male: Order your normal size for a regular fitExample: 6\'2\", 225lbs, wearing XL.

Female: Order one size smaller than your usual size for the best fit.Example: 5\'7\", 130lbs, wearing Small.