Built to provide the type of full coverage needed in the tropics and beyond, Maui Jim Equator Glass Polarized Sunglasses sport rectangular lenses made from SuperThin Glass, which provides the absolute crispest optics available. 20% to 32% thinner and lighter than standard glass, it offers the best scratch and solvent resistance. PolarizedPlus2 technology controls glare and enhances color, while mirror coatings (on select styles) help control glare even further. The full-wrap nylon frames are outfitted with nonslip rubber nose pads for a comfortable fit. These Maui Jim polarized sunglasses come with a tri-fold case, cleaning cloth, and mfrs. 2-year limited warranty. Patented PolarizedPlus2 lens technology SuperThin glass lenses for the absolute crispest optics available 20% to 32% thinner and lighter than standard glass Mirror coatings (on select styles) help control glare Lightweight, full-wrap frames with nonslip, embedded nose pads