Oakley Chamfer OX8039-0253 Eyeglasses Satin Flint Clear Demo 53 18 5.25" Frame Width 1.45" Lens Height Adjustable wire core temples Comfort and performance of Three-Point Fit that holds lenses in precise optical alignment Unobtainium earsocks for no slip grip Constructed of lightweight, durable O Matter material which is 25% lighter and 2x stronger than acetate