Oakley Sports Sunglasses with a lightweight frame and Prizm™ Lenses. Oakley™ Sutro revolutionizes the look of traditional sports eyewear.Inspired by the everyday life of urban cyclists, the close-fitting lens creates a distinctive and versatile look and protects you in wind and weather. The Prizm™ lens technology provides improved vision and thus ensures that you, as an active athlete, are fully motivated and safe throughout the day.Prizm™ lensesPrizm™ is a revolution in lens optics built on decades of colour science research. Prizm™ lenses offer unprecedented control of light transmission, precisely matching colours to maximize contrast and improve visibility.Light transmission: 20 %Light conditions: variable