Worn once, case still in plastic. The Isola Sunglasses by Maui Jim offer an elegant acetate frame and SuperThin Glass lenses for classic yet elegant design. Features: Frame: Purple Havana Lens: Maui Rose® - For everyday variable conditions, from full sun to overcast. The highest contrast available - excellent for fast moving sports. Provides a subtle rose tint. Lens Material: SuperThin Glass - Provides the absolute crispest optics available. 20% to 32% thinner and lighter than standard glass, it offers the best scratch and solvent resistance