Designed for alpine adventurers braving extreme cold, the Arc’teryx Proton Heavyweight Hoodie boasts Coreloftâ„¢ insulation and Fortiusâ„¢ Air 50 face fabric for unparalleled warmth and durability during high-output activities. With its breathable design, this hoody ensures comfort and protection against the harshest conditions, making it an essential companion for challenging alpine pursuits.
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Material
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   Fortius™ Air 50 | Nylon Plain Weave–        Lightweight and allows air into the system to move vapor out.
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   Coreloft™ Continuous 100 Insulation | 100% Polyester–        Lightweight insulation that allows air transfer and performs even when wet.
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   60g Coreloft™ Insulation in Hood
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Fit
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   Regular Fit–        Arc’teryx’s classic fit is cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably over or under our layers.
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Features
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   Adjustable Helmet-Compatible StormHood™ Hood–        Provides warmth and coverage without impacting peripheral vision.
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   Weight–        540g
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   Zippered Hand Pockets
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   Zippered Chest Pockets–        Sized for a radio or notebook.
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   Two Internal Dump Pockets
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   Adjustable Hem
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   Elastic Binding on Cuffs
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- Â Â Â Material: Â Â Â Elastane, Nylon, Polyester
- Â Â Â Layer Type: Â Â Â Mid Layer, Outer Layer
-    Fit:    Slim                       Â
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