FIG. 1 is a perspective view taken from a front, top, left side of a skate boot according to a first embodiment of my design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a perspective view taken from a front, top, left side of a skate boot according to a second embodiment of my design;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

Throughout the Figures, where shown: the dotted lines showing the remainder of the skate boot are for illustrative purposes only and form no part of the claimed design; the unshaded surfaces form no part of the claimed design; and the dotted/dashed lines illustrate unclaimed boundaries of surfaces claimed as part of the design.