Lentila Ochelari Oakley Sutro Clear Oakley Sutro Replacement Lens Whether you want to be able to change your lens color for your activity or environment or replace existing lenses, Oakleyî authentic lenses are the only replacement lenses manufactured to meet Oakley'sî quality and optical clarity standards. Oakley lenses and frames are designed to work together seamlessly to deliver optimal fit and comfort, impact protection, and HDOî optics. Prizm?â replacement lenses are designed to enhance color, contrast and clarity. Prizm?â lens technology is proprietary to Oakleyî and engineered to maximize your vision in a full range of sport and everyday environments to help you make the most of any activity. Mirror lens:Reduces the risk being blinded, the light bounces off the lens instead of obscure vision. Important when the sun is low! Why a double Lens? A dual lens is designed to prevent the lens from fogging, a must for sweaty and humid days!