Increased contrast, perfect protection, and so much style!. The Oakley Sutro S, a simpler version of the popular Sutro sunglasses, redefines the look of traditional sports performance eyewear. Inspired by the everyday life of urban cyclists, this close-fitting model impresses with its striking and versatile wearable look and provides perfect protection in wind and weather. The Prizm™ lens technology ensures improved vision and, thus, ensures that active athletes get through the day fully motivated and safely.Oakley Prizm™ lensesPrizm™ is the revolution in lens optics. By fine-tuning individual waves of colour, Prizm™ 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.Prizm Sapphire LensThis lens is used on sunny days and increases contrast.Transmittance of visible light: 12 %