The ornamental design for a hiking boot sole, as shown and described.
Description:
FIG. 1 is a perspective view looking downward at the front left corner of a right hiking boot sole showing my new design;
FIG. 2 is a perspective view looking downward at the left rear corner of the right hiking boot sole in an inverted position;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines showing a shoe upper in FIGS. 1-6 illustrate the environment in which the design resides; the broken lines forming no part of the claim.
