Portion of a shoe upper

FIG. 1A is a perspective view of a portion of a shoe upper illustrated with a toe cap insert in place showing our new design;

FIG. 1B is a perspective view thereof illustrated without a toe cap insert;

FIG. 1C is a perspective view thereof illustrated with a toe cap insert being slid into place;

FIG. 2 is a side elevational view of the portion of a shoe upper shown in FIG. 1A , the opposite side elevational view being a mirror image thereof;

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

FIG. 4 is a top plan view thereof.

The broken line showings of the boundary of the claim, and the remainder of the shoe form no part of the claimed design. The interior surface of the toe cap insert surrounded by the broken line showing also forms no part of the claimed design.