Maui EvolutionA lenses combine SuperThin Glass and polycarbonate Single gradient lens treatment, MauiGradient Modified aviator teardrop frame with double bridge Corrosion-resistant Monel metal frame Adjustable silicone nose padsPolarizedPlusA 2 Technology blocks glare and UV Saltwater-safe lenses and frames Includes Maui Jim case and cleaning cloth Make a superb style statement in these Maui Jim Sand Island Polarized Sunglasses. These sunglasses feature an extremely strong, corrosion-resistant Monel metal frame with a double bridge and adjustable silicone nose pads. The ultra-lightweight Maui Evolution lenses are scratch- and impact-resistant and feature patented treatments for incredible vibrancy. These sturdy sunglasses complement a variety of facial shapes. All Maui Jim sunglasses feature patented, color-infused PolarizedPlus2 Technology, which blocks 99.9% of glare and 100% of harmful UV from all angles, manages blue light, and boosts colors for unmatched vibrancy, clarity, and contrast. All Maui Jim sunglasses include a case and cleaning cloth. How to choose your Maui Jim lenses: Neutral Grey offers amazing contrast and the highest available light production. Ideal for bright, direct sunlight. HCLA Bronze offers excellent contrast. Ideal for everyday conditions, from full sun to clouds. Great for those who prefer a subtle bronze hue for everyday wear.