Gasket Metal w/ Smoke Polarized Lens Hingeless frame made from aircraft aluminum for maximum comfort and adjustable fit, Blue Mirror Polarized lens with 12% light transmission reduces the maximum amount of visible light and allows for true color recognition. . Good for bright sunny days where glare is really bright such as water or the dashboard of your car.. The Gasket frame is our more universal lens shape. It is a rectangular shape lens that comes down lower along the cheek line for better under eye coverage.. Impact & scratch hard coated polycarbonate lens. Lightweight adjustable aluminum frame. Meets ANSI Z87.1-2010. Black Smoke glasses have neutral grey lens tint suitable for all situations (same lens used by USA military) GKGMSM02 No -