FIG. 1 is a perspective view of a portion of a bladder for a shoe sole showing our new design;

FIG. 2 is a top plan view of the portion of a bladder for a shoe sole of FIG. 1, with the bottom plan view being a mirror image thereof;

FIG. 3 is a side elevational view thereof viewed from thre front of FIG. 2;

FIG. 4 is a side elevational view thereof viewed from the side opposite that of FIG. 3;

FIG. 5 is a side elevational view thereof viewed from thre right side of FIG. 2; and,

FIG. 6 is a side elevational view thereof viewed from the left side of FIG. 2.

The interior of the bladder that is not visible through the transparent walls in FIGS. 1-6 forms no part of the claimed design.