Features: High strength ABS plastic shell, lightweight and impact resistance Multi-density safety buffer layer offers state-of-the-art energy absorption. Comfort soft padding liner, hypoallergenic, fully removable and washable. Front, chin and side air vents with a top air vent, ensure plenty of ventilation Removable top visor to block the sun and debris,has large opening to avoid lift and drag. Quick release safety buckle for a secure fit that will stay on your head