Shoei Solid X-14 Sports Bike Racing Motorcycle Helmet - Matte Black/X-Large Upper air intake vent is positioned to maximize air volume into the helmet interior Impact absorbing EPS liner throughout the entire chin bar with Cheek Pad Cooling System Comfortable, 3D Max-Dry helmet liner material absorbs and dissipates sweat and moisture twice as fast as traditional nylon interiors, keeping aggressive riders cool and dry Removable Lower Air Spoiler can be affixed to the chin bar to improve aerodynamic stablization Standard Rear Flaps can be replaced with optional, narrower flaps to customize aerodynamics, depending on rider preference and track demands