FIG. 1 is a side elevational view of an element of shoe midsole showing my new design;

FIG. 2 is a cross-sectional view taken along the line 2--2 of FIG. 1; and,

FIG. 3 is a cross-sectional view taken along the line 3--3 of FIG. 1.

The broken line showing of a shoe in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design.