Aerodynamic shell design constructed of advanced poly-alloy plastic for lightweight strength. Clear-coat finish to protect paint and graphics. Hypo-allergenic, antimicrobial nylon liner and cheek pads are removable and washable. Ear cavities for speakers. Hard-coated face shield is optically correct, compound-curved and UV- and scratch-resistant; inner flip-down smoke shield and visor. Advanced ventilation system with chin, side, rear and forehead vents. Cam buckle-style quick-release retention system