Advanced ABS polycarbonate shell, with a short visor and adjustable ventilation. D-Ring closure makes putting on and taking off a snap. Nylon interior to provide excellent comfort for those long rides.; ABS/polycarbonate shell Short Visor Accepts most half-helmet face shields Adjustable forehead vents Removable ear/neck curtains easily zip on/off Built-in speaker pockets accept most open-face Bluetooth Devices Nylon Interior D-ring closure DOT certified