Outer Shell injected from special high impact grade of engineering thermoplastic.   Unpainted special textured outer shell finish provides scratch resistance. Multiposition articulating optically true injected polycarbonate visor duly silicon hard coated for scratch resistance properties. Regulated density EPS concussion padding lined with specially treated anti allergic velveteen. Removable and replaceable liners. Quick release chinstrap mechanism for ease of operation & safety. High quality U.V. resistant Polyurethene paints used for aesthetic enhancement. Available in L (580 mm)