Oakley Glasses Frames Backwind 3164-01 Satin Grey Metal frame plastic lens non-polarized Lens width: 51 millimeters Arm: 139 millimeters MODEL: OX3164 Backwind COLOR: 01 Satin Gray SIZE: 51mm - 18mm - 139mm (millimeters) GENDER: Mens ATTRIBUTES: Metal, Rectangular, Full Rim