FRAME SIZE: 52mm HIGH FASHION SHADES, MADE FOR RUNNING. 1 NO SLIP Our lightly-textured silicone earpieces use the all new goodr Cat Tongue Technology to offer enhanced protection against slippage. 2 NO BOUNCE Our frame is crafted to be feather-weight, yet snug, with a comfortable fit to prevent bouncing when running. 3 ALL POLARIZED Glare-reducing, polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays. 4 ALL FASHION Look like a model while you’re running. Isn’t that why you’re taking all those running selfies? 5 NO CATCALLS We aspire to the day we can guarantee that you won’t be whistled at on the street; sadly, we cannot make that guarantee.We CAN, however, guarantee that no person wearing Runway goodrs has ever been telephoned by a cat.