Inspired by the salty surf in your favorite tropical locale, Costa Del Mar Salina 580G Glass Polarized Sunglasses for Ladies are ideal for the beach…and beyond. The classically styled frames feature rounded lenses that are polarized to cut glare; select styles are outfitted with a mirror coating to cut glare even further. Other styles feature a gradient tint to reduce eyestrain. The lenses boast 580G LightWAVE glassthe clearest in the industry. They're also scratch-resistant and thinner and lighter than average polarized glass, while still providing 100% UV protection. 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 sharper. The frames on these women's Costa sunglasses are made from tough, durable, co-injected nylon using an eco-friendly bio-resin process. Costa Salina sunglasses sport Hydrolite nose pads for a more secure, comfortable fit. They come with a case, cleaning cloth, and mfrs. limited 2-year warranty.Manufacturer style #: 580G. Scratch- and impact-resistant 580G LightWAVE glass lenses Polarized lenses are outfitted with a mirror coating (select styles) to kill glare Gradient tint (on select styles) to reduce eyestrain 100% UV protection Tough, durable co-injected nylon frames made through an eco-friendly bio-resin process Hydrolite nose pads for a more secure, comfortable fit Includes case and cleaning cloth