NO SLIP. NO BOUNCE. ALL POLARIZED. ALL FUN. Introducing the new Circle Gs! We designed these shades to look good and fit comfortably on your face whether you re doing squats with a dog in your arms or sipping a nitro cold brew. NO SLIP. NO BOUNCE. ALL POLARIZED. ALL FUN. 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.