Tory Burch TY7092 Sunglasses conjure images of Old Hollywood with their classic cat eye shape and graceful curves Tory Burch Sunglasses have become famous the world over thanks to innovative designs that are rooted in timeless classics These frames for women are crafted from acetate, a tough yet lightweight material known for its luster Choose from a wide range of colors and patterns, plus pick polarized or gradient tinted lenses Comes with a Tory Burch cleaning cloth and protective carrying caseThese sunglasses are available with polarized lenses on certain colors. Polarized lenses have a filter within the lens that blocks the wavelengths of light that cause glare. They can greatly enhance contrast and allow for greater depth of vision, especially in water. They are ideal for any situation where glare reduction is necessary, like driving or playing sports.The sunglasses are available on certain colors with gradient tinted lenses - Gradient tints are tints that start off at a darker color at the top of a lens and then gradually lighten towards the bottom of the lenses. These tints are great for fashion and for reading outside on sunny days. Gradient coatings work by allowing an appropriate amount of light to filter through in certain areas and less in places where protection is most necessary.