Bolle Emperor 20930 ski goggles with the Black Blue Eagle frame with a Bolle branded black strap featuring the abstract eagle design. The Bolle Emperor 20930 is fitted with the stunning Aurora lens, a category 2 ski goggle lens that has a base amber lens with a blue mirrored coating. The Aurora lens allows through 42% of light making it ideal in sunny and overcast conditions. These Bolle goggles are packed with technology that includes Equalizer vents, frame venting, anti-fog lens coating and spherical double lenses, more....