FIG. 1 is a top perspective view of a boot, showing the claimed design;

FIG. 2 is an inner side view of the boot shown in FIG. 1;

FIG. 3 is an outer side view of the boot shown in FIG. 1;

FIG. 4 is a top view of the boot shown in FIG. 1;

FIG. 5 is a rear view of the boot shown in FIG. 1;

FIG. 6 is a front view of the boot shown in FIG. 1; and,

FIG. 7 is a bottom view of the shoe shown in FIG. 1.

Broken lines in the figures are for illustrative purposes only, and form no part of the claimed design.