The ornamental design for a shoe, as shown and described.
FIG. 1 is a left side view of a shoe showing my new design;
FIG. 2 is a back left side perspective view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a back right side perspective view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a mirror image of FIG. 1 shown with the flap in an open position.
The long dash broken lines shown in FIGS. 1-4 and 6 illustrate claimed stitching. The shorter dash broken lines in FIGS. 1-6 illustrate portions of the shoe that form no part thereof.