HJC Rpha 12 Enoth Helmet The HJC Rpha 12 Helmet is engineered with a premium integrated matrix EVO shell for improved aerodynamics, reducing lift and drag to enhance stability. Its Hj-42 curved shield and innovative 2-way pivot ratchet system ensure noise reduction, while removable interior pads make riding with a freshly rejuvenated helmet a breeze. Features: Premium Integrated Matrix EVO (Pim Evo) 4 unique shell sizes: Xs-Sm, MD, LG, Xl-2Xl 5 EPS liners Optimized aerodynamic performance for reduced lift and drag for enhanced stability Optimized rear spoiler Enlarged chin vent (vents to inner shield to help reduce fog) Revised hawk's bill profile to add collarbone clearance Updated forehead and top vents Aerodynamic focused shell shape Hj-42 race style flat face shield with anti-fog Pinlock lens insert included Left side face shield lock with improved hinge mechanism for tighter seal Race tear-off ready (sold separately) 2-Way pivot ratchet system provides improved sealing Maximum air intake: 6 intake vents and 3 exhausts Enlarged speaker pockets Removable interior cheek pads Emergency cheek pad release DOT Approved