M3104-B Sunglasses by Matsuda. Shape: Geometric, Color: Brushed Gold / Cafe Blue Gradient, Brushed Gold / Blue Grey, Antique Gold / Sage Green, Palladium White / Cafe Violet Gradient, Palladium White / Cobalt Blue, Size: 49-22-145. Treat yourself to pure luxury with the M3104-B. It boasts a classic hexagonal drill mount design crafted from ultra-lightweight titanium. Inspired by rimless designs invented in the 1800s, this masterpiece offers unbeatable comfort. But the brand's modern interpretation is distinguished by hand-engraved details at the top and bottom of the flexible beta-titanium temples, setting it apart from other frames. Handcrafted in Japan, this rimless frame features lightweight titanium construction, beta titanium temples and unique engravings, making it a choice for those with a penchant for elegant eyewear.