We use special grip coating to construct our frame to help eliminate slippage when sweating.
Our black frame is snug and light-weight, with a comfortable fit to prevent bouncing while running.
Glare-reducing, polarized black lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays.
Plus, no one wearing goodr running sunglasses has ever been attacked by a leopard (as far as we know).