These Belstaff Sidney women's sunglasses feature a refined construction designed for both style and performance. Crafted with premium materials including Beta Titanium and high-grade Japanese Acetate, these frames are meticulously hand-polished and assembled in Japan. The lenses are manufactured by Carl Zeiss, ensuring superior optical clarity and offering complete 100% UV protection. The design incorporates durable construction details such as seven hinges, reflecting the high-quality manufacturing standards of the brand.