The ornamental design for a shoe, as shown and described.
FIG. 1 is a photographic front perspective view of a shoe showing our new design; and,
FIG. 2 is a photographic side view thereof.
The washed-out lighter grey portions are for the purpose of illustrating portions of the shoe which form no part of the claimed design. The broken lines immediately adjacent to and surrounding the dark grey photographic area represent the bounds of the claimed design and form no part thereof.