Like having two pair of glasses in one! Top glass flips out of the way when you need clear lens protection. Flip the top glass down for tinted protection. Suspended lens provides stylish look, comfort fit, panoramic view and maximum protection. Lightweight frame and suspended lens design provides perfect fit for a variety of users.  Newly designed adjustable nose piece provides 3 different angles, allowing the user to find the most comfortable fit. Ratcheting temples provide different angles for perfect view and fit. Cushioned temple tips provide non-slip comfort. Lenses filter 99% of harmful UV rays.