FIG. 1 is a top, front, right perspective view of a bladder for a shoe sole showing my new design;

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

FIG. 3 is a side elevational view of the right side of the bladder shown in FIG. 1;

FIG. 4 is a side elevational view of the left side of the bladder shown in FIG. 1;

FIG. 5 is a side elevational view of the front of the bladder shown in FIG. 1; and,

FIG. 6 is a side elevational view of the rear of the bladder shown in FIG. 1.

The designations of top, bottom, right side, left side, front and rear are used for convention, and do not limit the intended use of the claimed design.