HJC AR-10ii Auto Helmet The AR-10 helmet is a lightweight and high quality auto racing helmet with the features of helmets costing twice as much. What more can you expect from the world's #1 helmet company.   Standard Features Include: •Lightweight fiberglass composite weave shell•Plush, removable & washable Nomex Interior Liner•Advanced ACS ventilation system•Double D-ring retention system•Meets or exceeds SNELL SA2010 This helmet as been carefully converted, in-house,  to run a filtered air system. The option to wire your helmet includes the following being installed: microphone, off road speakers that plug into your radio and a 3.5 jack to connect, foam, semi-custom or custom ear buds to.