DESCRIZIONE Techno, the sporty and captivating eyewear. Interchangeable lenses, adjustable nose bridge and temples. The Duo Matik version is with 2 interchangeable lenses included. The first is a photocromatic lens brown base and cat. 1-3 (Thrama® Brown Matic), and the other lens a cat. 0 (Thrama® Plus 80).