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 running laps on a track or perfecting your avatar. Fit & Design: Special grip coating helps to eliminate slippage when sweating Frame is snug and light-weight, with a comfortable fit to prevent bouncing while running Glare-reducing, polarized lenses and UV400 protection that block 100% of harmful UVA and UVB rays