Spy Optic Haight Sunglasses Acetate Frame frame Plastic lens polarized Lens width: 58 millimeters Bridge: 17 millimeters Arm: 145 millimeters Happy Lens.The only color and contrast enhancing lens technology that maximizes the transmission of the sun's "good" rayswhile still blocking out its "bad" raysfostering an uplift in mood and alertness Constructed from handmade acetate Features sturdy 5-barrel hinges Comes with a premium leather leash 6-base Nylon lenses