Xstream VIEW Sunglasses are supplied with gray, yellow or amber polarized lenses of very good quality. It also comes in two models with photo-chromatic lenses. The frame on these sunglasses has an incredibly good fit and keeps the sunlight out, effectively.
The optic filters lock out hazardous UV rays, protects the eye. The Polaroid lenses remove the white reflexes from the water, which makes it's easier to spot a fish below the surface.
Also try the models with photo-chromatic lenses that adjust their contrast (light/dark) according to the weather conditions! This gives a comfortable pair of sunglasses, even though the weather goes from sunny to cloudy. Highly recommended!