Hits you like a ton of bricks. For those fans of substance, this frame will not fold four different ways into a square the size of a Starburst. D28 is a hearty helping of precision-cut, 100% acetate with “Izquierda” and “Derecha” laser-etched across the top if you forget which side is left and which is right. Matierals: A premium hard coating protects lenses, increasing durability and minimizing scratches. Lenses include a high-performance water, dirt, and grease-repellent coating for easy maintenance and superior optics. Premium, bio-based acetate frame with 5-barrel industrial hinges. "Frame Width - Wide 145mm / Medium 141mm / Narrow 136mm Bridge Width - Wide 22mm / Medium 22mm / Narrow 22mm Lens Height - (does not include frame) - Wide 43mm / Medium 41mm / Narrow 40mm Lens Width - (does not include frame) - Wide 52mm / Medium 50mm / Narrow 48mm" Temple Length - Wide 145mm / Medium 145mm / Narrow 145mm Hinge-to-Hinge Width - Wide 133mm / Medium 129mm / Narrow 125mm