Open face helmet inspired by Suomy's Formula One helmet. Ultra-lightweight Structurally Enhanced Composite (S. E. C. ) fiber weave helmet shell construction with sound-absorbing polymers. Dynamically Variable Resistance Crush (DVRC) zones designed into the EPS liner. Ram Air duct works with EPS liner and exhaust vents to offer unprecedented airflow. Removable, washable cheek pads and liner with Ultralure. DOT and BSI 6658 Type A (British Standards Institution) certified.