Bell Star Wars Storm Trooper Multisport Chinbar Helmet Fits head Sizes: 52-56 cm Vented eva-lined chin bar surrounds the face for additional coverage and Protection Built-in cheek pads provide a secure fit. Side-squeeze buckle makes for easy adjustment Caged venting - 8 hexagon covered vents for a much Cooler ride Comfortable Neck roll for increased padding and correct Positioning