If you're seeking pure polarized performance then take the lead from outdoor professionals worldwide and look at Action Optics' polarized glass series. Clearwater Copper is an exceptional general purpose photochromic lens. Copper provides medium contrast with increased definition and is very comfortable and soothing on the eyes. Best usage is in medium to bright conditions. Silver Creek Brown is a superb all around, constant density lens. With a hint of yellow in this medium-dark brown lens, it provides a great combination of contrast and true color transmission. Optimum performance is in medium to bright conditions.