UL Certified to NFPA 2112 Dual Hazard FR/AR Protection UPF 50+ Rated – blocks 98% of UV rays Shell: Pre-shrunk 8oz. 88% Cotton, 12% Nylon Insulation: 14oz. FR Modacrylic Lining Lining: 7.5oz. 100% FR Cotton Atlas Ultravis® 2″ Industrial Washable Reflective Striping Guaranteed Flame Resistance for Life of Garment Two-Way FR Breakaway Brass Zippers Built in Wind Barrier