Maui Jim Lighthouse Polarized Sunglasses feature lightweight comfort, modern curves, and all the technology you need to get you safely through the glare and UV. Perfect for mornings on the shore or fast-moving sports that call for lightweight protection - lens treatments and frames are saltwater safe.PolarizedPlus?2 Technology All Maui Jim sunglasses block glare and UV from all angles, manage blue light, and then boost colors for unmatched color, clarity, and contrast. Polycarbonate Lenses ? for intensive sports activities Maui Jim polycarbonate lenses are optically correct to insure sharp images. They are lightweight, comfortable, extremely impact resistant, and feature Maui Jim?s Clearshell scratch resistant coating. High-Grade Nylon Frame is lightweight and tough. It provides superior fit and comfort Anti corrosive stainless steel Pin Hinges are light and strong Rubber Nose Grips resist the will of gravity and keep your glasses in place Flawless Finishes Saltwater Effectiveness - lens treatments and frames are saltwater safe. Case and Cleaning Cloth.