WALDEN Eyeglasses by Blackfin. Color: Army Green, Gray/Blue, Black/Gray, Size: 54-18-145. Where minimalism meets innovation, the Blackfin WALDEN eyeglasses showcase a refined approach to contemporary eyewear. Their elongated rectangular shape is enhanced by smoothed-out corners, creating a frame that’s both structured and fluid. The sturdy construction ensures a featherlight feel, while the minimalist design allows the quality of materials to shine through. Available in a range of modern, muted tones, these glasses offer a sophisticated, polished look that’s as versatile as it is chic.