ARCTERYX Mens Proton FL Hoody

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The Proton FL Hoody balances air permeability and thermal protection during summer alpine and rock climbing, giving comfort over a wide range of temperatures, conditions and output levels. The Fortius™ Air 20 fabric has light wind resistance and air permeability, while Octa® Loft breathable insulation maintains a comfortable micro climate. A low profile, fitted, adjustable hood is uninsulated to fit well under a helmet but still give wind protection. Featured with two zippered chest pockets and two zippered hand warmer pockets.


  • Breathable
  • Air permeable
  • Light wind resistance
  • Octa® Loft, clean finished, breathable insulation provides thermal protection while maintaining a comfortable micro climate
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Style 23101
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