Alba Optics DELTA CRYSTAL GLOSSY VZUM F-LENS BTL LEIFrom Alba: The iconic DELTA family is expanding, including new frames in a chic glossy finish. Now available with the brilliant VZUM LEI lens, adapted to the shapes and sizes of a smaller facial structure. Lighter glasses with a tailored fit, that maintain the same performance characteristics such as internal ventilation, visual coverage and eye protection. The material of the frames is Tr90, made from nylon and carbon fiber, organically compatible