The Flight Optics, Pit Viper&';s Dual Lens Technology(TM) sunglasses for the sky. Exit Row Comfort and Cockpit Clarity make this airport accessory the only First Class Pit Vipers Stats: - 100% UV protection - Spring hinge arms - No-slip grip ear and nose pieces - Dual Lens Technology(TM) - Look Thru Color: Blue/grey - Light Transmission: 12% - 2.2mm polycarbonate lens What&';s in the Box: - 1 Limp cloth - 1 Firm case Size Guide: Frame Width: 5.90in (Merika) 150mm (Metric) Frame Height: 2.36in (Merika) 60mm (Metric) Nose Opening: 1.31in (Merika) 33.5mm (Metric)