Portion of a shoe

[0001]FIG. 1 is rear left perspective view of a portion of a shoe showing our new design;

[0002]FIG. 2 is front view of the design shown in FIG. 1;

[0003]FIG. 3 is a rear view of the design shown in FIG. 1;

[0004]FIG. 4 is a right side view of the design shown in FIG. 1;

[0005]FIG. 5 is a left side view of the design shown in FIG. 1;

[0006]FIG. 6 is a top view of the design shown in FIG. 1; and,

[0007]FIG. 7 is a bottom view of the design shown in FIG. 1.

[0008]The broken lines shown in the figures are included for the purpose of illustrating portions of the portion of a shoe and form no part of the claimed design.