The K3s Unicorn Cycling will allow you to enjoy cycling’s best to the maximum. Special TAC 1.2 mm polarized interchangeable panoramic lens with anti-fog film, REVO cover and improved DrySky anti-fog system. Extremely flexible and resistant PC frame. Maximum lightness: they weigh only 26 g! Includes hard polyurethane case, microfiber bag and spare bands for nose and arms. Available accessories: photochromic, anti-fog and clear lenses as well as TR90 optical clip.