Maui Jim Women's Nahiku Purple Fade/Neutral Grey One Size Acetate Imported plastic frame glass lens polarized Lens width: 59 millimeters Bridge: 17 millimeters Arm: 145 millimeters Please click here for more information about PolarizedPlus2&reg; technology. Maui Jim&reg; keeps the rays at bay with the Nahiku sunglasses. Round silhouette provides full-coverage. Acetate frames are lightweight and durable. Lenses:&#8226; Neutral Grey Lens offers contrast and the highest available light reduction. Suitable for all light conditions, especially bright, direct sunlight.&#8226; HCL&reg; Bronze Lens is perfect for low-light conditions or for those who like a subtle bronze hue for everyday wear. Offers excellent contrast.&#8226; Maui HT&trade; High Transmission Lens is suitable for variable and low-light conditions. HT boosts colors, contrast, and depth perception, and delivers the most visible light of