Tingley Hazmat/HazProof Steel Toe Boots 82330 Orange/Cream Sure Grip Size 11. The world's most advanced Hazmat boot. For chemical and hazmat cleanup, emergency response, and domestic preparedness. Made of special polymer material, this comfortable boot meets the protective footwear chemical permeation requirements of. NFPA 1990, Standard for Protective Ensembles for Hazardous Materials and CBRN Operations. The HazProof® boot has also been tested to Military Standard 282 and will provide protection against certain chemical warfare blister and nerve agents.