which automatically adjusts to changing light conditions for optimal vision

The FO8C Fit-Over Sunglasses by Montana Eyewear offer an easy solution for those who wear prescription glasses

Bolle Sunglasses C-Shifter BS005005 Matte Titanium Volt Ultraviolet are from the Bolle performance collection designed for cycling but good for all sports

Calvin Klein Sunglasses CK23506S 601 Transparent Rose Pink Peak Pink Gradient is a stylish butterfly-frame made with a bio-injected acetate build for lightweight comfort and durability

Serengeti Sunglasses Maestrale 7712 Shiny Black Polarized PhD2.0 555nm Green Prizm Daily Polarized which automatically adjusts to changingSerengeti Sunglasses Maestrale 7712 Shiny Black Polarized PhD2. 0 555nm Green are from the Serengeti sport collection these ultra lightweight and sporty frames give superb optical performance as well as true comfort and style. They feature a swept back lens that gives excellent side protection from the sun's glare.