Aina in TortoiseshellDescription Introducing our fully polarized eyewear collection. The Aina combines excellent optical protection with a beautiful, contemporary frame style. Each pair ships with two colors of interchangeable lenses one plain and one mirrored perfect for life at the beach and in the city. Please select which color you would like installed in your sunglasses to begin with, and we will ship them with your choice of lens pre installed. Design Details