Quality materials and design features insure the best helmet available for any job. Sellstrom helmets are made from Super Tuff™ nylon which is lighter than fiberglass and extremely durable. Super Kool™ coated helmets are one of the world's toughest thermoplastic resins, shedding spatter without burning and are 30% cooler than uncoated helmets. Patented Sel-Snap™ lens retention system provides easy loading of filter, cover, and protective plates with no gasket required.