Bright sun is no match for Arnette Cortex AN4291 Polarized Sunglasses. The lenses in these Arnette sunglasses are polarized to combat glare, giving you clearer vision as you pursue your favorite outdoor activities. Mirror coatings (on select styles) reduce glare. Bio-plastic frames are lightweight and comfortable, and they stand up well to everyday use. As Cortex sunglasses prove, Arnette is dedicated to progressive design, maximum functionality, and unparalleled quality.Manufacturer style #: AN4291. Timeless look - great for everyday wear Polycarbonate polarized lenses combat glare Mirror coatings (on select styles) reduce glare Bio-plastic frames