Mathias Eyeglasses by Lindberg. Front Color: Basic-10-10-K159, Basic-10-10-K175, Basic-10-10-K25, Basic-20-20-K159, Basic-20-20-K175, Basic-20-20-K25, Basic-25-25-K159, Basic-25-25-K175, Basic-25-25-K25, Basic-30-30-K159, Basic-30-30-K175, Basic-30-30-K25, Basic-35-35-K159, Basic-35-35-K175, Basic-35-35-K25 and more, Size: 46-18-135. Meet Mathias from the LINDBERG Kid|teen Collection—a vision of modern elegance and versatility. Crafted with a sleek rectangular frame, Mathias exudes sophistication tailored for young trendsetters. Featuring the innovative acetanium teen design, this frame combines the expressive look of acetate with the adjustability and benefits of titanium, offering both style and comfort in one stylish package. Elevate your teenager's eyewear game with Mathias, the epitome of contemporary chic.