Bell Full 9 Full Face Hurricane Helmet Extra Large: 59 - 61cm / 21.625" - 23.25" Overbrow ventilation ushers cool air over the head Magnetic cheek pads swap in and out effortlessly Soundtrax is Bell's system of built-in speaker pockets and integrated audio cable routing Integrated accommodation of the eject helmet removal system allows gentle removal of helmet from rider's head in case of injury