Experience supreme visual clarity with Berkeley, a winning combination of traditional design and modern flare for the digital age.KEY FEATURES Durable Nylon Frame Material Lightweight construction for comfort without pressure or fatigue Wide format lens for panoramic viewing field Anti-reflective lens coating on front and back Proprietary patented GUNNAR lens material and tint Blocks harmful blue light and 100% UV light Prescription also available INCLUDED WITH PURCHASE Microfiber Pouch 12-month Warranty Perfomance Level:SIGNATUREExperience the benefits of GUNNAR technology in precision engineered polymer frames with impact resistant polycarbonate lenses and the G-Shield® coating stack. Manufacturer GunnarCategory EyeglassesAge Group AdultGender UnisexShape SquareRim Type Full-RimFrame Material Durable NylonBlue Light ProtectionPrescription Ready Size*54 Horizontal Lens Measurement, A: 54 Bridge / Distance Between Lenses: 16 Temple Length: 142 *All of these measurements are in millimeters