Oakley Sutro revolutionizes the look of traditional sports eyewear. Inspired by the everyday life of urban cyclists, the close-fitting lens provides a distinctive and versatile look and protects in wind and weather. Prizm lens technology provides enhanced vision to keep active athletes fully motivated and safe throughout the day. Prizm is a revolution in lens optics built on decades of color science research. Prizm lenses offer unprecedented control of light transmission resulting in colors being precisely matched to maximize contrast and enhance visibility.