SPECIFICATIONS: Size 48-20-140 EYE (Horizontal lens width) 48 DBL (Nose bridge width) 20 TEMPLE length 140 Shape Round Bridge Type Adjustable Nose Pads Frame Type Adult Frames Can RX? Yes Gender Male Front Material Aluminum Frame Material Metal Temple Material Aluminum Hinge Type Regular Hinge Rim Type Full Rim Segment Jhane Barnes RX Choosing your size: There are three common measurements usually printed on the inside of the temple, check your current specs to compare (keep in mind style changes specs so consider all measurements) - horizontal lens width ( "Eye" ), bridge width ( "DBL" ) and Temple length. See the diagram for details. *frames don't come with the prescription lens