Arcteryx Proton Vest Mens Lightweight Hiking Gorpcore Active Black SZ XXL Good condition logo on front t has some fading see all photos Length 30” Armpit-armpit 25” This black Proton vest from Arc’teryx is designed to balance air flow and keep your core warm. Crafted from Fortiu Air 20 fabric, it’s also filled with Octa Loft knit insulation to keep you protected in harsh conditions. It’s then complete with three convenient zip pockets at the front and signed off with a signature logo printed at the chest. 100% Nylon Fortius Air 20 Octa® Loft knit insulation Zip Closure 2 Side Pockets Chest Pocket