The ornamental design for a stadiumchair with arm rests, as shown and described.
FIG. 1 is a perspective view of a stadium chair with arm rests according to the present application.
FIG. 2 is an exploded perspective view of the stadium chair with arm rests of FIG. 1.
FIG. 3 is a perspective view of an alternative embodiment of a stadium chair with arm rests according to the present application.
FIG. 4 is a front view of the stadium chair with arm rests of FIG. 1.
FIG. 5 is a back view of the stadium chair with arm rests of FIG. 1.
FIG. 6 is a left view of the stadium chair with arm rests of FIG. 1.
FIG. 7 is a right view of the stadium chair with arm rests of FIG. 1.
FIG. 8 is a top view of the stadium chair with arm rests of FIG. 1; and,
FIG. 9 is a bottom view of the stadium chair with arm rests of FIG. 1.
The evenly-spaced broken lines in all views are directed to the environment, are for informational purposes only, and form no part of the claimed design.