Features of the Carhartt Men's Flame Resistant Quick Duck Hood 20% Lighter but just as warm as heavier outerwear Insulated with 150g 3m thinsulate platinum Insulation fr Three-piece hood design for better Fit Adjustable nomex FR drawcord with secure nylon drawcord lock Specifically designed to snap onto FR quick duck outerwear Meets the Performance requirements of NFPA 70E Fabric Details FR quick duck: 88% Cotton, 12% Nylon with rain defender durable water repellent