FIG. 1 is a perspective view of an inflatable bladder for a shoe sole showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view therof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a cross-sectional view taken transversely through the value stem area along the line 8--8 of FIG. 2; and,

FIG. 8 is a cross-sectional view taken longitudinally along the line 7--7 of FIG. 2.

The broken line showing of the value stem and mold pin mounting holes are for illustrative purposes only and forms no part of the claimed design.