On Guard OG 230S
Side shields are integral to this frame.
Color: Matte Black, Matte Navy, Red
This is the Z87 version of the ProLine Circuit Frame.
Size: 54-22-135 Measurements: A Box: 54 B Box 32 ED 57 DBL 15 Temple: 135
- A Box is the horizontal measument of the lens opening.
- B Box is the vertical measurement of the lens opening.
- ED is the longest measurement of the lens opening, usually on a diagonal from upper nasal to lower temporal.
- DBL is the horizontal measurement across the bridge (over the nose) of the frame.
- Temple is the length of the temple (arm, goes over your ears) as measured from the hinge break