The ornamental design for a headwrap, as shown and described.
FIG. 1 is a right side view of a headwrap showing my new design in an open position;
FIG. 2 is a left side view thereof showing the headwrap in an open but less tightly wrapped position;
FIG. 3 is a front view thereof; and,
FIG. 4 is a bottom view thereof showing the headwrap in a folded up position in which the upper crown portion of the headwrap has been tucked into the lower knot portion of the headwrap.
The dashed broken lines in the figures illustrate stitching that forms part of the claimed design.