Serengeti Firenze Sunglasses polarized Classics Our latest models take on the same timeless, sensual mystique as the rest of our Classics Collection, while incorporating the newest lens technology. They make a quiet, yet intriguing statement about the person wearing them. 555NM Polarized This lens maximizes greens and yellows for high contrast and clarity, and combats glare with premium polarizing technology ideal for all bright light conditions. 15% Transmittance lightened lens/8% transmittance darkened lens