No-nonsense keyhole frames punch up smart retro-style sunglasses featuring Prizm lenses with HDO® technology for enhanced color, contrast and detail. 56mm lens width; 17mm bridge width; 138mm 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™ nylon composite Made in the USA