With the Driver from Kaenon, you' re in control. Need I say more? A modified version of the traditional aviator, the mid-size Driver adds a touch of classic style with an updated metal frame style. Slightly curved 6 base frame is made out of lightweight metal alloy. Features adjustable, hypoallergenic nose pads and acetate temple tips for a comfortable feel. Polished Kaenon jewel icon marks the authenticity of a Kaenon Polarized original design. SR-91 combines the crisp optical acuity of the finest glass lenses in an ultralightweight, impact-proof lens. B-12 (12%) polarized lens (blocks 88% of visible light). Performs best in bright, full sun conditions. G-12 (12%) darkest grey lens (blocks 88% of visible light). Performs best in bright, full sun conditions. Made in Italy. Measurements: Eye Size: 62 mm Bridge: 15 mm Temple Size: 145 mm Weight: 0.94 oz