The Costa Rincon sunglasses are an oversized pair of shades with an edgy style. They’re a play on a classic West Coast look with a straight bridge, wrapping style lines and sharp edges. All of these style points are amplified by the huge coverage these oversized frames.Even though these sunglasses are designed primarily for casual outings, the lenses provide the same crystal clear vision as glasses made for the world’s best fisherman. The glass 580G lenses enhance natural color and block distracting glare. Hydrolite rubber prevents the glasses from slipping even in wet conditions. Edgy style makes a bold statement 580G lenses are polarized to block glare Hydroliterubber holds the glasses firmly in place Costa Technologies 580G Lenses 580G lenses are made of glass, which delivers the best clarity of any lens material. Layers of sandwiched technology work together to cut haze and blur for crystal clear vision. The lenses also block harmful HEV light and filter certain yellow wavelengths, resulting in enhanced natural colors. These lenses are 100% polarized and scratch-resistant. Hydrolite Hydrolite is a proprietary, hypoallergenic rubber that prevents slippage. It is used on comfort spots such as nose pads and temples.