The K3 La Vuelta - San Vicente de La Barquera capture all the energy of a sprint with the best sprinters. The latest technology at the service of the best design. Ultra-light semi-transparent PC frame (only weighs 27g). Special TAC 1.2mm polarized interchangeable panoramic lens with anti-fog film and REVO cover. DrySky system perfected to make sure they never fog up. Includes: limited edition La Vuelta 19 packaging, hard polyurethane case, microfiber bag and replacement pieces for nose pad and temple. Available accessories: photochromic, anti-fog and clear lenses as well as TR90 optical clip.