The carrera 155/s is a squared model made of acetate fronts and metal temples, highlighting the tank hinges. Sophisticated custom made lightweight spring hinges inspired by the shape of a caf racer motorbike gasoline tank, capable to ensure an extremely comfortable fit while featuring the brands trademark touch of red on their side. The carreras iconic flag symbol in this style is finished by a piece of fine eyewear craftsmanship: a small metal plaque with hand-applied enamel in the colors of the flag placed in the top of the double bridge. The 155/s color range is made of gold and ruthenium metal temples; matte and shiny black, burgundy and tortoise fronts; traditional shaded black lenses as well as golden bronze, shaded brown and polarized green. This sun style blends acetate end tips that are colored in different but discrete ways: from black, white and tortoise to carreras distinctive red, all finished by the c logo on the internal left part.