5549 Thintanium Eyeglasses by Lindberg. Color: 05, 10, 20, 30, 60, 70, 75, 77, 80, 85, 90, 107, 113, 117, GT, U12, U13, U14, U15, Size: 52-16-140, Temple: Classic. With slight softening in its rectangular profile, the 5549 from LINDBERG's Thintanium collection delivers a balanced aesthetic perfect for rounder face shapes. The rim is ultra-slim, letting lenses float above the cheeks with clarity and class. Titanium's strength is evident in the precision bridges and flex hinges. Ideal for anyone seeking structure without weight.