Meet Bixby, the bold statement condensed into a smaller package. Bixby is designed with the same DNA as other Caddis favorites, yet still, its own animal and designed for slightly smaller faces. 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 - medium 138mm / narrow 133mm Bridge width - medium 21mm / narrow 21mm Lens height - (does not include frame) - medium 39mm / narrow 37mm Lens width - (does not include frame) - medium 49mm / narrow 47mm" Temple length - medium 145mm / narrow 145mm Hinge-to-hinge width - medium 128mm / narrow 124mm Classic style available in narrow and medium fit A square frame shape ideal for heart, square, and oval faces.