Another member of the Sutro family. The Sutro family is extended by a semi-rimless version of the popular model for a larger field of vision. Inspired by the everyday life of urban cyclists, the close-fitting lens creates a distinctive and versatile look and protects against wind and weather. The Prizm™ lens technology ensures improved vision and, thus, ensures that active athletes get through the day fully motivated and safely.Prizm™ is a revolution in lens optics based on decades of colour science research. Prizm™ lenses offer unparalleled control over light transmission, fine-tuning colours to maximise contrast and improve visibility.