Pinlock? 70 Lens - DKS624 - Ultrashield* - Ultraflite* - Clear Suitable Pins * Three component pin, Technology * 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 becomes significantly lowered, The Pinlock? insert absorbs moisture on the inside and you continuous clear visibility