I claim the ornamental design for glasses arm with offset air module, as shown and described.
FIG. 1 is a left-side elevational view of the left glasses arm with offset air module of the present invention, the right side being a mirror image thereof;
FIG. 2 is a front elevational view of the pair of glasses arms with offset air module of FIG. 1 and the offset air module of the right glasses arm;
FIG. 3 is a bottom plan view of the pair of glasses arms with offset air module of FIG. 1 and the offset air module of the right glasses arm; and,
FIG. 4 is a top plan view of the pair of glasses arms with offset air module of FIG. 1 and the offset air module of the right glasses arm.
Broken lines are not part of the claimed subject matter. Dash Dot Dot lines represent the boundaries of the claimed area. The interior portion of the oval is not claimed. Claimed subject matter is further indicated by shading.