Thorogood's Hellfire Haz-Mat boot is certified to NFPA 1992 (splash-protective for hazmat) as well as being a lightweight and comfortable rubber boot. Chemical resistance begins with a dipped neoprene synthetic latex outer layer that provides a seamless, leak-proof and highly puncture-resistant barrier. As different classes of liquid chemicals can penetrate different kinds of rubber, the Hellfire Haz-Mat also includes multiple layers of diverse types of rubber. Each layer possesses its own chemical resistance properties, so the total effect is protection from a broad spectrum of hazardous chemical agents.
