Perfect for outdoors enthusiasts of all stripes, Native's Hardtop XP sunglasses offer a unique interchangeable lens system that lets you switch lenses without having to put your fingers all over the lens. These P.C.C. Polarized Crystal Carbonate optical quality, impact resistant lenses block 100 percent of harmful UV light and eliminate glare for sharp, clear vision with increased contrast and depth perception. The Hardtop XP comes with three sets of lenses, and it offers an optimal fit for large profiles. It also comes with interchangeable Gator lok temples, which allow you to quickly change to a sport band for a more secure fit in extreme conditions.