These are! Classic shape with new levels of style and performance. We designed these shades to look good and fit comfortably on your face whether you&&';;re haulin&&';; tail down a mountain trail or drinking beers on a midnight ramble. Features:- 1 NO SLIP We use special grip coating to construct our frame to help eliminate slippage when sweating. 2 NO BOUNCE Our frame is snug and light-weight, with a comfortable fit to prevent bouncing while running. 3 ALL POLARIZED Glare-reducing, polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays.