Frame size: 53mm HARNESS THE STRENGTH OF A SILVERBACK GORILLA 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 hopping over flames or flippin' tires. MADE FOR BEASTING GREAT FOR BIKING & RUNNING 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. 3 ALL POLARIZED Glare-reducing, polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays. 4 NO LEOPARDS Plus, no one wearing goodr sunglasses has ever been attacked by a leopard (as far as we know). HIDE YOUR TEARS Fun Fact: Silverback Gorillas can squat up to 1,000 pounds. Don’t believe us? Go ask Harambe...oh, uh, nevermind. Don’t worry, squatting in these gray with purple/teal lenses will help hide your tears from the heartache that still haunts you. RIP HARAMBE, RIP.