Consist of a polyethylene shell and suspension working together as a protection system. Polyethylene shell. Applications: Agriculture, Asbestos Abatement, Chemical, Construction, Domestic Preparedness, Electric Utility,Hazardous Materials, Indoor Air Quality, Medical,Mining, Nuclear, Oil & Gas,Paper & Pulp,Sand Blasting.Sanding & Grinding,Spray Painting,Water/Wastewater,Welding. Meets ANSI Z89.1 2003 for Type I helmets.