The ornamental design for a wristband, as shown and described.
FIG. 1 is a perspective view of a wristband showing our new design;
FIG. 2 is a top plan view of the wristband of FIG. 1;
FIG. 3 is a bottom plan view of the wristband of FIG. 1;
FIG. 4 is a first side elevational view of the wristband of FIG. 1;
FIG. 5 is a second side elevational view of the wristband of FIG. 1;
FIG. 6 is a front elevational view of the wristband of FIG. 1;
FIG. 7 is a rear elevational view of the wristband of FIG. 1;
FIG. 8 is a rear perspective view of the wristband of FIG. 1; and,
FIG. 9 is another perspective view thereof, showing the wristband of FIG. 1 in an environment of use.
The broken lines in the drawings illustrate portions of the wristband that form no part of the claim. The other broken lines in FIG. 9 showing a human hand represent environmental subject matter only and form no part of the claim.