CORSA R RACE3 Helmet Shield for AGV PISTA GPR GPRR Helmet Visor Uv Protection Windshield Casco Moto Accessories Lens care and cleaning All lenses have a very strong anti-scratch coating to extend their lifespan.The polycarbonate material used to make the lensesis very strong and durable. Products such as bug fluid, brake fluid, degreasersgasoline and even gasoline fumes can invisibly weaken lensesbe careful not to expose your lenses to any chemicals.Use warm water and a microfiber cloth to clean your lenses.Placing a microfiber cloth soaked in warm water over the lens will soften the bug debris and make cleaning easier.After cleaning, protect the lens surface with all-natural palm wax,which not only helps with hydrophobicity but also reduces dirt buildup The degree of light transmission of the lens Model:Deep BlackVisibility:20%-33% Model:Revo ClearVisibility:90% Model:Light BlackVisibility:85% Model:Revo DeepVisibility:56%-62% Model:Silver Visibility:56%-62% Model:RainbowVisibility:56%-62% Model:GoldVisibility:56%-62% Model:BlueVisibility:56%-62%