The Siroko K3 Mongolia are a pair of glasses designed with high-quality photochromic lenses that perfectly adapt to the variable light conditions of the environment. A sport practiced outside such as cycling requires a pair of technical glasses that guarantee safety in any environment. That’s why the Siroko K3 Mongolia are the ideal option to maintain perfect vision. They have a Special TAC 1.2 mm photochromic polarized interchangeable panoramic lens with anti-fog film and REVO cover. DrySky anti-fog system. Extremely flexible and resistant PC frame. Maximum lightness: they weigh only 27g! Includes polyurethane case, microfiber bag and spare bands. Our photochromic lens is particularly sensitive to distinct changes in light, adapting to the light conditions of each moment in an extremely efficient way. Ideal for cloudy and clear days, and for environments in which sunny and shadowy zones alternate. The K3 PhotoChromic lens controls the transmission of light independently, going from Category 2 (42% light transmission) to Category 3 (11% light transmission) in less than sixty seconds, optimizing contrast and favoring visibility.

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