Columbia Mens Powderlite Vest Omni-Heat™ thermal reflective. Thermarator™ Insulation. Water resistant fabric. Binding at collar and cuff. Binding at armhole. Zippered hand pockets. Drawcord adjustable hem. Shell: Storm-Lite DP II 100% polyester Lining: Omni-Heat™ Reflective lining 100% polyester Insulation: Thermarator™ 100% polyester