Description of The North Face Plasma Thermal Summit Series Jacket Designed for blockbuster mountaineering explorations in frigid, unforgiving conditions, the Plasma Thermal Jacket keeps athletes warm in cold weather at high altitutdes thanks to its lightweight PrimaLoft® One insulation. This Summit Series® jacket keeps explorers dry too thanks to its waterproof, highly breathable, seam sealed HyVent® Alpha fabric that retains its capabilities in even the most severe conditions. Features: Designed for frigid mountaineering and climbing endeavors with exceptionally light weight insulation Performance fit Waterproof, breathable, seam sealed Fully adjustable hood with laminated brim Napoleon chest pocket Internal security zip pocket Pit-zips Two hand pockets Non-abrasive molded cuff tabs Hideaway hem cinch-cord Summit Series® collection