Retailers' Descriptions

Here's what other sites are saying:

ARCTERYX has gone the extra mile with its Proton AR hoody. The Proton AR is an air permeable insulating piece designed for maximum comfort while on the go. With DWR finish and four pockets this hoody will help you stay warm wherever your winter adventures take you.

- Mountain Gear refers to the men's version

Arc'teryx Men's Apparel Clothing Proton All-Round Hoody - Men's Black Small 267020.

- refers to the men's version

The Arc'teryx Men's Proton AR Hoody is an insulated jacket for Climbing in cool to cold weather. The impressive thing about this jacket isn't just the Coreloft Continuous 65 and 90 Insulation or the Fortius; Air 40 nylon/elastane shell. It's the way the all work together to keep you warm while allowing your Upper body to breathe at the same time. Yeah, it's air permeable, so you don't overheat while working hard to get to your destination in the cold. Abrasion-, wind- and water-resistant so you can take on various types of challenges along the way. Hand pockets, chest pockets and a hood to warm the ears right over your helmet. Features of the Arcteryx Men's Proton AR Hoody Fortius Air 40 outer fabric with DWR treatment layers easily and effectively balances air permeability with wind and water resistance Coreloft Continuous 90 Insulation in the body and arms Coreloft Continuous 65 insulated helmet compatible hood can be adjusted for a precision Fit with or without a helmet Two insulated hand pockets, two chest pocket No Slip Zip works like a series of speed bumps keeping the main zipper from self-opening, Dual back flaps prevent wind penetration Dual hem adjustments seal in warmth Arcteryx Nu water repellent treatment Stretch-knit cuffs

- Moosejaw refers to the men's version

Putting the proverbial handle on wet weather, wind, and all-around cold temps, the Arc'teryx Men's Proton AR Hooded Insulated Jacket is the one layer you won't want to leave behind the next time you venture into the alpine. Arc'teryx designed the Proton to function as a softshell when wind and light precip catches you hiking down from the summit or belaying three pitches up a route in the alpine. Being the warmest offering in the Proton line, the AR Hoodie is packed full with 90g Coreloft--insulation composed of crimped synthetic fibers that are breathable, compressible, and water-resistant--to deliver dependable warmth in demanding mountain environments. Never one to phone-in fit, Arc'teryx made sure the fit of this jacket promotes mobility and stretch while limiting needless bulk (and weight) when every ounce counts.

- refers to the men's version

Designed to perform both as a soft-shell outer layer and as a mid-layer under a waterproof shell, the Arc'Teryx Proton AR hoodie is an all-around, versatile jacket that balances warmth and airflow.

- REI refers to the men's version

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