Revolutionary quad-hazard protection offers high visibility, liquid proof, Arc Flash and flash fire protection. Thermo-grid technology helps block out heat energy while the flame resistant PVC coating on Nomex provides 100% liquid proof protection in soft, lightweight overalls. Ideal applications: All Electric and gas utilities, power generation, pipeline and construction work, and T&D petrochemical applications. Chemical Resistance: many acids, oils, alcohols, salts and alkalis.