Named for the big, beautiful seabird that bravely takes a flight of over 1,800 miles from New Zealand to Australia, Costa Del Mar Gannet 580P Polarized Sunglasses for Ladies will inspire you to set out on your own journey. Featuring Hydrolite nose pads and waterdrop-shaped epoxy fill at the temple tips, these Costa sunglasses sport durable co-injected nylon frames made using an eco-friendly bio-resin process (using castor oil instead of petroleum) to reduce emissions and overall carbon footprint. These women's sunglasses sport 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 take glare control even further. They boast Costa 580 technology that takes lens performance to new heights by eliminating glare from yellow light, blocking blue light to minimize haze and blur, and boosting red and green for deeper colors and sharper contrast. Costa Gannet polarized sunglasses come with a cleaning cloth, protective hard case, and a mfrs. lifetime limited warranty.Manufacturer's style #: 580P. Polarized lenses block reflected glare and reduce eyestrain Mirror coating (on select styles) helps fight glare True 580 Technology blocks yellow and blue light while boosting red and green light Lightweight polycarbonate lenses are and impact- and scratch-resistant Blocks 100% of harmful UV light Eco-friendly bio-resin frames with rubberized, nonslip nose pads and temple tip waterdrops