Arai XD5 Pinlock Insert Lens 120XLT MaxVision LensManufacturer: Arai Helmets Suitable Pins Arai specific pin Technology MaxVision, XLT, and anti fog The Pinlock creates a double shield system through a silicon seal between the helmet face shield and Pinlock insert lens, which makes up a double glass type of solution that prevents fogging The insert is made of a moisture absorbing plastic and therefore, the surface basically dry when used The air tight pocket ensures that the difference in temperature