UL Certified to NFPA 2112 Dual Hazard FR/AR Protection UPF 50+ Rated – blocks 98% of UV rays Shell : 8oz. 88% Cotton 12% Nylon Insulation 8oz. FR Modacrylic Fleece Lining: 7.5oz. 100% FR Cotton Neck Guard: 7oz Knitted 100% Cotton