HJC Streamline Men's CL-17 Street Motorcycle Helmet - MC-3HF / X-Large Side chin bar venturi exhaust vents for increased heat & humidity dissipation Multi-layer contoured cheek pads improve fit & comfort Glasses grooves accommodate riders who wear eyeglasses Chin bar intake vent provides airflow across the shield interior to help eliminate shield fogging SuperCool Moisture-Wicking Interior 2014 Model DOT approved. Meets the FMVSS 218 Standard.