Flying Fisherman Cay Sal Polarized Polycarbonate RhinoLens Sunglasses are built with durable TR90 frames that are a solid foundation that includes Comfort Grip non-slip nose and temple pads for all day wear. Polarized lenses eliminate glare and reduce eye fatigue. Shatterproof RhinoLens is optically correct for enhanced lens clarity. Master angler sunglasses have AcuTint polarized lens system that enhances color contrast, without distorting natural colors. The matte black frame has amber-green mirror lenses. Also, included is a microfiber case and a one year warranty.