HJC's ultra-lightweight Full-face motorcycle helmet RPHA 11 Carbon, its carbon fibre shell provides enhanced performance and shock resistance. Carbon Fibre Outer Shell provides a lightweight and comfortable shell with enhanced Shock-Resistant performance. Extremely light weight Carbon Shell Construction. Unique graphic application utilizing carbon pattern. RapidFireT Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less shield replacement system. MultiCool Interior with advanced anti-bacteria fabric provides enhanced moisture-wicking and quick drying function. Crown and cheek pads are removable and washable. Cheek pads are Interchangeable throughout all sizes. Ready for SMART HJC Bluetooth. (Bluetooth sold separately) Optimized shell design for outstanding air flow ventilation system. Aerodynamic shell structure for extreme performance at maximum speeds. Emergency Kit (Cheek pads) for safe and quick rescue in an emergency situation. Wide eye-port provides superior peripheral vision. Enhanced shield dual-locking system for high speed racing conditions. It comes standard with both the 2D Dark Smoke Shield and the Anti-fog insert lens.