Inspired by the elegance of the mayfly, Costa Del Mar Mayfly 580P Polarized Sunglasses for Ladies boast an oversized look with water-ready features. These women's Costa sunglasses boast impact- and scratch-resistant polycarbonate polarized lenses that block glare, enhance visual clarity on the water, and safeguard your eyes from 100% of harmful UV rays. Mirror coatings (on select styles) reduce glare even further. 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. These polarized Costa sunglasses sport adjustable, vented nose pads and lanyard-ready temple tips. They also include a case, a cleaning cloth, and a mfrs. limited 2-year warranty.Manufacturer style #: 06S9110. Lightweight polycarbonate lenses are and impact- and scratch-resistant Polarized technology controls glare Mirror coatings (on select styles) reduce glare even further 100% UVA, B, and C protection Adjustable vented nose pads and lanyard-ready temple tips Includes case, cleaning cloth, and mfrs. limited 2-year warranty