Rounded frames with an exaggerated keyhole bridge define lightweight sunglasses featuring Oakley's signature Prizm polarized lenses in a bold blue hue. 53mm lens width; 21mm bridge width; 139mm temple length 100% UV protection Clip hinge mechanism that enables the eyewear to latch onto your shirt to secure eyewear Prizm lenses to enhance color, contrast and detail for an optimized experience Propionate Made in the USA