Serengeti Granada Sunglasses Polarized Base Curve: 8Rx Temple Length: 125mm/Spring Hinges Lens Size: 61 x 36.6 x 65.2mm The Sport Classic Frame give style and confidence. This lens maximizes greens and yellow for high contrast and clarity and combats glare with premium polarizing technology. 15% transmittance lightened lens/8% transmittance darken lens and Ideal for all bright light conditions.