When high performance is important to your fishing, you can rely on the uncompromising and reliable components of the X-Series. These polarized sunglasses are designed to be on the water all day. Polycarbonate lenses and BioTr90 plastic in the frames. They also have a hydrophobic coating to repel water and dirt. The lenses have high optical clarity. The copper-colored lenses enhance contrast, increase sharpness and protect the eyes so they are less strained.