Vents Lenses come in clear and 6 additional colors in both thermal and single configurations. The Lenses are available separately so that you can customize your mask to meet your individual needs. All lenses in the Vents lineup can be swapped easily between models and masks. Get the lens to suit every condition. Choose amber and clear lenses for low light conditions, or mirror and ninja lenses for bright sun or bright lights. THERMAL– Dual Pane for ultimate antifog performance. The dual pane lens is ideal when you are using your mask for long periods of time. The thermal system provides antifog protection in even the worst conditions. This means that you spend less time with off-field maintenance and get more performance during extended play.