FIG. 1 is a side elevational view of a side element of a shoe upper showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line showing of a shoe sole, the remainder of the shoe upper, the stitching, the perforation, and the lacing elements, is for illustrative purposes and forms no part of the claimed design.