Advanced polycarbonate composite shell: Lightweight, superior fit and comfort using advanced CAD technology. DOT compliant. Optically superior faceshield offers 95% UV protection. RapidFireTM Shield Replacement System: Quick, secure, tool-less removal and installation. Advanced ventilation system: adjustable forehead and chin vents, and two rear exhaust vents. Fully removable and washable Plush, Nylex® interior. Full range of HJ-09 replacement shields available.