The Arai XD4 Explore Graphic Helmet replaces the category leading Arai XD-3 Dual Sport Helmet. Notable improvements for the XD4 are improved ventilation with redesigned face vents and a venturi vent at the brow, adjustable cheek pads, a new visor system for improved visibility, and a new locking shield for aerodynamics.    > New comfort headliner, with micro fitting 5mm peel away temple pads > Fully removable/replaceable/washable Interior: Comfort head liner, Cheek pads, Chinstrap covers > Dry-Cool technology keeps you dry and cool for greater comfort > Patent pending, New FCS (Facial Contour Support) cheek pad design, also with a 5mm peel away micro fit feature > New shell shape for better aerodynamic stability at higher street speeds > New exhaust ports added to the top diffuser vents > New chin vent with more intake ports > Larger sculpted side cowl vents improve ventilation > Snell M2010 approved > 3.74lbs.   There are three helmet graphics in the XD4 line: XD4, XD4 Diamante, and XD4 Explore.