FIG. 1 is a perspective view of a boot showing my new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a top elevation view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design.