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

FIG. 2 is a side elevation view of the other side of the midsole of a shoe;

FIG. 3 is a rear elevation view of a midsole of a shoe;

FIG. 4 is a cross sectional view taken through line 4--4 of FIG. 1;

FIG. 5 is a cross sectional view taken through line 5--5 of FIG. 1;

FIG. 6 is a front elevational view of a midsole of a shoe; and,

FIG. 7 is a cross sectional view taken through line 7--7 of FIG. 1.

The broken line showing the sole and upper portion of the shoe in FIGS. 1,2,3, and 6 are for illustrative purposes and form no part of the claimed design.