Born On the Water in the fishing capital of the world, Costa Del Mar sunglasses are made for those who don't just spend their lives on the water, they come to life on the water. Each pair is packed with polarized, color-enhancing 580 lens technology. The result? Less haze and enhanced contrast and clarity. Available in a lightweight, impact-resistant polycarbonate (580P), it's like seeing in high-definition. Experience sunglasses for life's great adventures. These Costa Del Mar women's sunglasses include a case, a cleaning cloth, and a mfrs. limited lifetime warranty.Manufacturer style #: 6S9037. Joint venture between Costa and OCEARCH to help protect sharks Polarized lenses kill glare Mirror coatings (on select styles) help control glare Lightweight plastic lenses are 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