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 at a school for the magic arts. NO SLIP. NO BOUNCE. ALL POLARIZED. ALL FUN.(TM) 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.