These Belstaff sunglasses feature a durable construction, combining high-grade Mazzucchelli and Japanese acetate with lightweight Beta Titanium components. Expertly constructed and hand-polished in Japan, they ensure superior comfort and resilience. The lenses are sourced from Carl Zeiss and feature Japanese manufacturing, offering excellent clarity and comprehensive protection. Designed for all-day wear, their robust build quality, highlighted by the inclusion of seven hinges, suggests longevity and precise fit.