Cushioning Device for Footwear

FIG. 1 is a front top left perspective view of a cushioning device for footwear showing our new design; FIG. 2 is a front bottom left perspective view thereof; FIG. 3 is a rear top right perspective view thereof; FIG. 4 is a rear bottom right perspective view thereof; FIG. 5 is a top view thereof; FIG. 6 is a bottom view thereof; FIG. 7 is a left side view thereof; and, FIG. 8 is a right side view thereof. The broken lines represent portions of the cushioning device for footwear that form no part of the claimed design.