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. Maui Evolution® Lens: Maui Evolution fuses the best qualities of their glass and polycarbonate lenses. Offering superior optics, scratch resistance, and impact resistance in a lightweight high-index package, Maui Evolution enhances color with a patented lens treatment. Grilamid Frame Flexible, bendable and lightweight. The ultimate in durability. Adjustable Nose Pads Non-slip, offer a custom fit for ultimate comfort. Saltwater Effectiveness Lens treatments and frames are saltwater safe.