Details Oakley Frogskins™ Sunglasses Harking back to the 80s, Oakley have retooled their classic Frogskins style with a lightweight frame, impact protection and Prizm lens option for enhanced colour contrast and detail. Lightweight O Matter™ frame material 4 base lens geometry with HDO™ hard coating Medium lens front for those who prefer to cover an average portion of the face High Bridge fit is a good choice if the bridge of your nose is above your pupils Category 3 polycarbonate lens suitable for bright light conditions Light transmission: Grey lens: 17% Prizm Sapphire lens: 12% (not suitable for road/driving use) Dimensions: Hinge to hinge: 137 mm Temple length: 139 mm Effective diameter: 55 mm Lens height: 44 mm Bridge: 17 mm Specifications Frogskins Sunglasses