Alba Optics DELTA CHR VZUM POUDELTA glasses are inspired by models from the 80s and 90s. The material of the frames is Tr90, made from nylon and carbon fiber, organically compatible and safe to the skin, even after a prolonged use. It is 20% lighter that other conventional materials and it offers more protection against crashes and tractions. It provides a high resilience without deformation when exposed to high temperatures. The glasses wearability allows a perfect vision when