Lightweight, fully adjustable nylon frameHigh-gloss frame treatmentAnti-corrosive nickel/silver spring hingesPolarizedPlus2 Technology blocks glare and UV raysWider temples for added comfort and protection from wind and sunSaltwater-safe lens treatments and framesWaterproof coatingThese Maui Jim Maui Cat III Polarized Sunglasses deliver retro-inspired style and powerful protection against UV rays and glare. Saltwater-safe lenses and frames make these sunglasses ideal for the beach. The modern design features wider temples for all-day comfort and added protection against wind and sun. Designed to fit larger heads. All Maui Jim sunglasses feature patented, color-infused PolarizedPlus2 Technology, which blocks glare and UV rays from all angles, manages blue light, and boosts colors for unmatched vibrancy, clarity, and contrast. Each Maui Jim style features a waterproof coating for exceptional performance. A case and cleaning cloth is included with each pair of sunglasses. How to choose your Maui Jim lenses:Neutral Grey offers amazing contrast and the highest available light reduction. Suitable for all light conditions, especially bright, direct sunlight. HCL Bronze offers excellent contrast. Ideal for everyday conditions, from full sun to cloudy. Great for those who prefer a subtle bronze hue for everyday wear. Maui HTÃÂ¢Ã¢??ÃÂ¢ is ideal for times when other lenses would be too dark. These lenses deliver sharper contrast and brighter colors for early morning, late afternoon and foggy days. Contrast and depth of field are heightened so that low light is perceived with fresh vibrancy.