ArcTeryx Proton FL Hoody (Proteus) | Clothing - Synthetic Insulation | Rock + Run

ArcTeryx Proton FL Hoody (Proteus)

  |   Size Guide
ArcTeryx Mens Jacket Size Chart 2019
ArcTeryx Mens Jackets Size Chart 2019
ArcTeryx Mens Jacket Size Chart 2019
ArcTeryx Mens Jackets Size Chart 2019
You save: 31% (£60.05)


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. 

PROTON - Air permeable mid layer insulation with abrasion and weather resistant outer surface.

FL - Fast & Light | Minimalist, high performance and light weight, for rapid travel in variable conditions.


Technical Features
  • Breathable
  • Light wind resistance
  • Air permeable
      • Octa® Loft, clean finished, breathable insulation provides thermal protection while maintaining a comfortable micro climate
      Design & Fit
      • Trim fit for athletic performance
      • Articulated elbows
      • Gusseted underarms for mobility and comfort

      Hood Configuration

      • Low profile adjustable hood fits under a helmet
      • Uninsulated
          Zippers & Fly Configuration
          • No Slip Zip™ front zipper
          Pocket Configuration
          • Two stretch woven zippered chest pockets
          • Two zippered hand warmer pockets

          Note: This product has a No Slip Zip™. The main zipper is equipped with “speed bumps” near the collar to avoid self-opening.

          Weight: 320g (L)