HJC Injector Men's CS-R2 Street Bike Motorcycle Helmet - MC-3 / X-Small Advanced Ventilation System: Adjustable forehead and chin vents, and two rear exhaust vents Optically-superior Face Shield: RapidFire Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less removal and installation for efficient operation Nylex Interior: Plush, moisture-wicking fabric. Crown and cheek pads are fully removable and washable All CS-R2 cheek pads are interchangeable throughout all helmet sizes