FIG. 1 is a perspective view of a hoe sole showing our new design;

FIG. 2 is a bottom, plan view thereof;

FIG. 3 is a top, plan view thereof;

FIG. 4 is a front, 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 left side elevational view thereof.

The broken lines showing cleats in FIGS. 1, 2, and 4-7 are included for illustrative purposes only and form no part of the claimed design.