Aluminized Material OPF/Para-Aramid, Color Silver, EN ISO 11612 Performance Convective Heat (B) Level 1, Flame (A) Level 1, Molten Aluminum Splash (D) Level 3, Molten Iron Splash (E) Level 3, Radiant Heat (C) Level 4, Fabric Weight 19 oz, Includes Belt Loops Yes, Inseam 32 in, Overpants, Length 32 in, Lining Material Aramid, Maximum Waist Size 46 in, Meets ASTM F955 Pour Test Yes, Minimum Waist Size 44 in, Size XL, Standards ASTM F1939, ASTM F955, B1, C4, D3, E3, EN 531 Performance Levels A