* Advanced polycarbonate composite engineered shell: quiet, aerodynamically tuned design for wind tunnel tested comfort * EPS-lined chin bar for added protection * Ventilation System: Adjustable, indexed front & rear vents with aerodynamically tuned rear spoiler reduce lift, create vacuum & maximize airflow through helmet Article: Scorpion Exo 390 Sting Helmet, black-blue, Size S Article: Scorpion Exo 390 Sting Helmet, black-blue, Size S, black-blue, Size S