1.High temperature polyetherimide plastic. 2.High intensity, electric shock prevention, 3.Pierce resistant, flame-retardant KX-0301Newest Fire Fighting Helmet /Safety Electric Shock Resistant HelmetSpecificationMaterial of outer shell: high temperature polyetherimide plastic, high intensity, electric shock prevention, pierce resistance, flame-retardant, be able to endure heat.Goggle: excellent, ...