Arc'teryx

Men's Proton Lightweight Hoody

$339.99
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Light, breathable insulated hoody for high-output activities in cold conditions. *The Proton Lightweight Hoody was previously the Proton FL Hoody.

Climbing durable, trail light, midlayer or standalone, the versatile Proton’s breathable thermal protection delivers comfort across a range of temperature and output levels. Octa® Loft knit insulation provides warmth, resists packing out, and allows airflow to regulate comfort. Abrasion-resistant Fortius™ Air 20 fabric stretches, resists wind, and allows temperature-regulating airflow. A zippered chest pocket secures a radio, articulation aids mobility, and the low-profile insulated hood adds warmth.

Updated with a revised fit.

Technical Features
Breathable
Air permeable
Light wind resistance

Construction
Octa® Loft, clean finished, breathable insulation provides thermal protection while maintaining a comfortable micro climate
Fortius™ Air 20 face fabric effectively balances air permeability and weather resistance with lightweight durability

Design & Fit
Trim fit for athletic performance

Fabric Treatment
DWR (Durable Water Repellent) finish repels moisture

Hem Configuration
Adjustable hem drawcord

Hood Configuration
Adjustable insulated hood

Patterning
Articulated elbows
Gusseted underarms for mobility and comfort

Pocket Configuration
Two stretch woven zippered chest pockets
Two zippered hand warmer pockets

Zippers & Fly Configuration
No Slip Zip™ front zipper

Weight 343g / 12.1 oz
Fit Fitted
Model Measurements
Height: 5'11"/180.3cm, Chest Width: 39"/99.0cm, Waist: 32"/81.3cm, Inseam: 31"/78.7cm
Wearing Size: Medium
Activity Rock Climbing / Alpine Climbing
Model X000006908
Manufacturing Facility Youngone (CEPZ) LTD

All measurements are in inches

 Size Sleeve   Chest  Waist  Hip
XXS   30 33  27  32 1/2 
XS  31 1/2  35  29  34 1/2 
 32 1/2 37  31  36 1/2 
 34 40  34  39 1/2 
 35 43  37  42 1/2 
XL   36 47  40 1/ 2 46 1/2 
XXL   37 51  44 1/2  50 
3XL   38  54 1/2  48 1/2  54 

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We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949. Learn more.

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