Aluminized Material OPF/Para-Aramid, Color Silver, EN ISO 11612 Performance Convective Heat (B) Level 1, Flame (A), Molten Aluminium Splash (D) Level 3, Molten Iron Splash (E) Level 3, Radiant Heat (C) Level 4, Fabric Weight 19 oz, Features Aluminized Foot Flap with Soft Steel Frame, and Molten Metal Splash Hazards, Fits Over Work Boot, FR Hook and Loop Closure, Increased Protection from Radiant Heat, Sparks, Garment Type Leggings, Includes Boot Covers Yes, Includes Lining Yes