With its combination of TEXAPORE ECOSPHERE PRO material for comprehensive weather protection and PRIMALOFT® insulation, the WISPER JACKET offers you warmth and protection, so you won't be caught off guard by icy weather. A simple look with an adjustable, permanently attached hood, adjustable hem, and cuffs ensures that the cold stays outside. The PRIMALOFT® insulation is the best choice when you know you'll be generating plenty of heat during your activities.