FIG. 1 is a perspective view of the face shield according to the invention; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left-side view thereof, the opposite side being a mirror image thereof; FIG. 5 is a top view thereof; and, FIG. 6 is a bottom view thereof. The broken lines showing portions of the shield form no part of the claimed design.