Footwear Midsole

FIG. 1 is a front perspective view of a footwear midsole showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a bottom view thereof.

The dot-dash broken lines in FIGS. 1 - 4 represent portions of the footwear environment that form no part of the claimed design. The dot-dash broken lines immediately adjacent to the shaded portions define the bounds of the claimed design and form no part thereof.