M2050 Sunglasses by Matsuda. Color: Black Stripe/Brushed Silver / Grey Gradient, Black/Brushed Gold / Brown, Dark Tortoise/Antique Gold / Brown Gradient, Matte Black/Ruthenium / Grey, Tokyo Tortoise/Brushed Silver / Sage Green, Size: 46-24-142. Inspired by signature eyewear of the 1950s and 1960s, the M2050 is a harmonious blend of Japanese acetate and metal that showcases Matsuda's exceptional mastery of both materials. With a bold pantos shape, the metal inner rim is expertly crafted from titanium and seamlessly integrated into the Japanese acetate front. The precious metal finish reflects the attention to detail that goes into these outstanding Matsuda M2050 sunglasses.