The bell moto 9 flex monster pro circuit 17 mx helmet is packed with featuresspecifications includelightweight carbon composite shell constructionflex energy management interior linereps lined chinbarremovable and washable x static extended wear interiorfully adjustable flying bridge visor with air intake ventsintegrated vented roost guardmagnefusion emergency release system mers the magnetic cheekpad system allows for easy helmet removal in emergency situations used in conjunction with