Oakley™ Sutro revolutionizes the look of traditional sports glasses. Inspired by the everyday life of urban cyclists, the tight-fitting lens provides a distinctive and versatile look and protects against wind and weather. The Prizm™ eyeglass lens technology provides improved vision and thus ensures that active cyclists are fully motivated and can get through the day safely. Prizm™ is a revolution in lens optics built on decades of colour science research. Prizm ™ lenses provide unprecedented control of light transmission by accurately adjusting colours to maximize contrast and improve visibility. FeaturesThe lightweight O Matter™ material promises longevity and unrestricted wearing comfort.Unobtainium® nasal cushions provide a non-slip grip during perspiration so that the glasses do not slip and fit securely.Prizm™ glasses for improved colour, contrast and detail view