UL Certified to NFPA 2112 Dual Hazard FR/AR Protection UPF 50+ Rated – blocks 98% of UV rays Pre-shrunk 9oz. 88% Cotton, 12% Nylon Atlas Ultravis® 4″ Segmented Striping Guaranteed Flame Resistance for Life of Garment Cargo Pockets on Either Leg Elastics on Both Sides of the Waist