Classic shape with new levels of style and performance. These shades are designed to look good and fit comfortably on your face whether on a beach literally or just in your mind. No Slip - special grip coating to construct our frame to help eliminate slippage when sweating. No Bounce Our frame is snug and light-weight, with a comfortable fit to prevent bouncing while running. All Polarized - Glare-reducing, polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays. Goodr's mission is simple - they're all about creating fun, fashionable, functional and 'ffordable. (They like F words) Functional sunglasses that everyone can afford.