Frame: Sinister Lens: Clear Tint Tint: 10% Conditions: Best lens for night riding. Good low light performance 509 dual lens are designed specifically for cold weather & high moisture use. Featuring complete UV protection, dual lens panes, anti fog, anti scratch, and shatter proof. Our lenses come in a variety of colors. Each lens is uniquely designed with dual view technology. This lens has tear off posts Note: Sinister & Sinister X5 lenses are entirely different, both in shape and function and are not cross compatible.