Mirrored sunglasses first became popular with the police and they are still referred to as cop shades.
The lenses are One way mirrors with a reflective optical coating on the outside of the lenses to make them appear like small mirrors.
The standard lens colors are brown and grey.
The mirrors are designed to block light passing through the lenses by up to 60%.
These mirrored lenses are best suited for conditions of sand, water, snow, and higher altitudes.
Mirrored cate eye sunglasses have all the above noted features plus the fashionable cat eye sunglasses frames.Cat Eye Mirrored