Elevating the square frame to new heights of style, Michael Kors St. Barths are a must-have for those who love both fashion and function. The dark tortoise color is paired with green solid photochromic lenses that seamlessly adapt to any lighting conditions. These sunglasses feature a polished finish on the front and temples for an extra touch of shine. With their square shape and understated elegance, you'll be feeling like you're on island time all day long.