Portion of a shoe

[0001]FIG. 1 is right 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 dash-dot-dash lines illustrate an unclaimed boundary of the claimed design. The broken lines are included for the purpose of illustrating portions of the shoe that form no part of the claimed design. Colors form no part of the claimed design.