The ornamental design for an element of a shoe upper, as shown and described.
FIG. 1 is a side elevational view of an element of a shoe upper showing my
new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof; and,
FIG. 4 is a rear elevational view thereof.
The broken line showing of a shoe sole, the remainder of the shoe upper and
the lacing elements in FIG. 1, is for illustrative purposes and forms no
part of the claimed design. It is understood that the hatching in the
central area of the element of a shoe upper in FIG. 1, continues over the
entire surface.