Arc’teryx Men’s Proton FL Hoody

This product is currently out of stock and unavailable.

Lightweight, insulated, air permeable softshell. Balances air permeability and thermal protection for summer alpine, hiking, and rock climbing.


  • FL = fast and light: Minimalist, high performance and light weight, for rapid travel in variable conditions
  • Proton: Air permeable mid layer insulation with abrasion and weather resistant outer surface
  • Breathable material: Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment
  • Fortius™ Air 20 fabric:
    • Light wind resistance
    • Air permeable
  • Octa® Loft insulation:
    • Breathable
    • Maintains a comfortable micro climate
  • Hood:
    • Adjustable
    • Low profile and fitted – Uninsulated to fit well under a helmet
    • Provides wind protection
  • Two zippered chest pockets
  • Two zippered hand warmer pockets
  • Hem adjustment toggles
  • Trim fit
  • Hip Length
  • Centre back length: 77 cm / 30.4 in
  • Weight: 323 g / 11.4 oz

30 day return policy | Free delivery to IE for orders over €90*
Items such as Kayaks and Surf Boards are currently exempt from delivery and must be collected in-store.

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Arc'teryx Men's Proton FL Hoody