Crafted from injected acetate and gold-tone metal, these Gucci "GG1981S" aviator sunglasses feature a tortoiseshell-effect pattern with the house's Web detail on the front.  Eye/bridge/temple (in mm): 56-15-145 Clear bio nylon lenses Adjustable nosepads Lasered logo on left lens Interlock G hinges 100% UVA/UVB protection Acetate/metal Made in Japan Proposition 65 warning for California residents