Classic shape with new levels of style & performance. We designed these shades to look good & fit comfortably on your face whether youre Ordering In or Running to a Friends to Order In. 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 & light-weight with a comfortable fit to prevent bouncing while running. 3 ALL POLARIZED Glare-reducing polarized lenses & UV400 protection that blocks 100% of those harmful UVA & UVB rays. 4 NO LEOPARDS Plus no one wearing goodr running sunglasses has ever been attacked by a leopard (as far as we know).