Proton SL Hoody Men's

This is the new version of the former popular Proton Lightweight Hoody and the former Proton FL Hoody that has been updated with an insulated hood, more durable fabric, and a revised chest pocket and design lines.  An air permeable insulated softshell jacket from Arc'teryx designed for summer alpine and rock climbing, hiking, and running.  Active insulation layers like these are designed to maximize breathability in cooler conditions to keep you comfortable though a broad range of temperatures and activity levels. This jacket represents the 3-way intersection of something like an lightweigh...