NWOT Designed for extreme conditions, the water-resistant Outdoor Research Frostline hat keeps out the hard elements without being too bulky, while its full fleece lining provides warm, wicking insulation. Features: Lightweight, breathable Pertex® Endurance nylon shell is smooth, water-resistant and highly durable Plush, feece-lined interior retains heat and feels soft against skin Zip-out face mask, made of durable nylon with a moisture-wicking polypropylene lining, provides added protection from biting wind and snow Zippered pocket on left earflap adds convenience; external drawcord and rip-and-stick chin closure customize and secure the fit Foam brim snaps up for greater visibility when needed