Features High/low grid interior (Polartec® Power Grid® polyester) is key to this pullover's light weight, breathability and versatility Fabric stretches, traps heat and compresses to practically nothing Minimalist, deep-venting front zipper allows for further temperature regulation, with a soft zipper garage to keep your chin comfy Off-shoulder seams sit comfortably under your pack straps Polygiene® permanent odor control helps prevent the growth of odor-causing microbes in the fabric Exterior left-chest pocket with Slim Zip, zipper garage and mesh pocket bag Cuffs and hem finished with ultrasoft binding help seal in warmth Imported.