Lakeland HazProof Chemical Resistant Boots. Product Features: Made from special polymers, meets the high-level slip-resistant material testing requirements specified by NFPA 1991 standard. The HazProof Chemical Resistant Boots have also undergone rigorous MIL-STD-282 U.S. chemical resistance tests, effectively protecting against toxic gases. Complies with ASTM F2413-05 for impact and compression resistance of the safety toe cap, and can withstand up to 14,000 volts of high voltage. The inner insole meets and exceeds ANSI Z41 PT99 PR standards. Seamless structure formed by one-time injection molding. Special boot opening design ensures quick donning and doffing even while wearing chemical-resistant gloves. Steel midsole core. Inflatable EVA shock-absorbing sole. Boot height 28 cm, high-visibility bright orange.