NFPA 2112. Arc Rating ATPV 8.2 cal/cm2. Class 3 hi-vis FR long sleeve t-shirt. Fabric body: 6.7 oz. 48% Modacrylic / 37% Lyocell / 15% Aramid Flame Resistant, Hi-Visibility Pique Knit, contrast Panels: 6.7 oz. Flame Resistant Pique Knit 45% Modacrylic / 35% Lyocell / 20% Aramid. Featuring 360° visibility with front back 2-inch silver segmented heat seal reflective trim.