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

FIG. 2 is a frontal perspective view of the element of a shoe upper of FIG. 1;

FIG. 3 is a rear perspective view of the element of a shoe upper of FIG. 1; and,

FIG. 4 is a top plan view of the element of a shoe upper of FIG. 1.

The broken line showing of the remainder of the shoe is for illustration purposes only and forms no part of the claimed design.