another member of the sutro family for even more visibility . 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 sunglasses create a distinctive and versatile look and protect against wind and weather. the prizmâ„¢ lens technology ensures improved vision and, thus, ensures that active athletes get through the day fully motivated and safely.oakley prizmâ„¢ lensesprizmâ„¢ is the revolution in lens optics. by fine-tuning individual waves of colour, prizmâ„¢ sharpens visual acuity to reveal nuances that would escape the naked eye. with ordinary sunglass lenses, the environment appears dull and flat. prizm lens technology makes everything look alive and vibrant.