The ornamental design for a shoe, as shown and described.
FIG. 1 is a side view of a shoe showing our new design; and,
FIG. 2 is a front perspective 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 line circles within the claimed area form no part of the claimed design. The broken lines immediately adjacent to the dark grey photographic area represent the bounds of the claimed design and form no part thereof.