Light and versatile with deep, winding curves like the beachfront boats of the Caribbean and Central America, Costa Del Mar Panga 580P Polarized Sunglasses for Ladies are great for surf and sand. The frames are made from tough, durable, co-injected nylon using an eco-friendly bio-resin process (using castor oil instead of petroleum) to reduce emissions and Costa's overall carbon footprint. The West Coast-style frames feature large squarish lenses and seamlessly integrated Hydrolite accents for a secure fit. These Costa sunglasses combine 100% UV protection with polarized lenses and modern styling to create a style that's never out of its depth. Polarized and outfitted with a mirror coating (on select styles) to fight glare, these Costa Del Mar women's sunglasses boast lightweight plastic lenses that are impact- and scratch-resistant. 580 technology goes beyond polarization to produce the best lenses on the planet by selectively filtering out harsh yellow and harmful blue light, making colors brighter and objects appear more defined. These Costa Del Mar women's sunglasses include a case, a cleaning cloth, and a mfrs. limited lifetime warranty. Polarized lenses kill glare Mirror coatings (on select styles) help control glare Lightweight plastic lenses are and impact- and scratch-resistant 100% UVA, B, and C protection Co-injected, eco-friendly nylon frames are tough and durable Hydrolite nose pads and temple tips for a nonslip fit Includes case, cleaning cloth, and mfrs. limited 2-year warranty