FIG. 1 is a bottom perspective view of an element of shoe sole showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a side elevational view of the other side thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 2; and,

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 2.

The broken line showing of a shoe in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed design.