Advanced Integrated Matrix Plus (AIM+) construction combines high performance fibers with organic fibers to create a shell structure that is lightweight, rigid and resilient Four shell and comfort liner sizes present increased fit options that help to comfortably fit most head sizes Aerodynamic properties are maximized through extensive wind tunnel and rider testing Adjustable front intake vents combine with rear Extractor Vents and a neck outlet vent to maximize flow-through ventilation A semi-dual EPS liner with air channels allows directed airflow to the helmet interior Cool air passes through the front intake vents, cools the helmet interior and is exhausted through the rear Extractor Vents by the force of negative air pressure The helmet interior is constructed with a comfortable, Max-Dry material that easily absorbs and discharges moisture build up The 3-D Max-Dry removable liner system is thermomolded to match the liner perfectly to the helmet interior The cheek pads, upper liner and chinstrap covers are easily removed for cleaning and/or replacement The removable cheek pads are available in optional sizes so that each rider can personalize their fit Aggressively shaped Cross Visor provides incredible airflow for reduced drag Cross visor is easily installed or removed with the use of three external screws for ease of access to center screw and tightening by hand No-clog Cross Nose Cover for enhanced flow-through ventilation Removable, washable and replaceable Cross Nose Cover Filter Unique chin strap clip keeps strap from flapping in the wind Ergonomically shaped mud guard Helmet Sack constructed of soft, velvety fabric with drawstring closure