* Advanced Polycarbonate Composite Engineered Shell: Quiet, aero-tuned design for wind-tunnel tested comfort. * EPS-lined chin bar for additional protection. * Ventilation system: Adjustable, indexed front & rear vents Article: Scorpion EXO 490 Rok Replica II Helmet, black, Size M Article: Scorpion EXO 490 Rok Replica II Helmet, black, Size M, black, Size M