No-nonsense keyhole frames punch up smart retro-style sunglasses featuring Prizm polarized lenses with HDO® technology for color-true clarity. 57mm lens width; 18mm bridge width; 137mm temple length 100% UV protection Three-Point Fit: Comfort and performance that holds lenses in precise optical alignment Prizm Polarized lenses feature the maximized contrast and enhanced visibility of Prizm with the glare filtering benefits of Oakley HDPolarized O Matter Made in the USA