Double lenses are specially designed for the cold temperatures & reduce the tarnishing of the lenses from the inside as well as the outside. The double lenses are compatible with the IXS Trigger & Hack models. UV Protection. Light transmission (LT): 18% (tinted), 89% (clear) Features
Material: 97% Polycarbonate, 3% Polyurethane Cylindrical preformed Anti-fog Anti-scratch UV 360-380 mm *example pictures