The ornamental design for a waistband, as shown and described.
FIG. 1 is a perspective view of waist band showing my new design, shown in the environment of shorts;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a side view thereof;
FIG. 6 is a second side view thereof;
FIG. 7 is an enlarged view of the segment of the callout region of FIG. 1 designated by callout region 7 shown in isolation from the remainder of the environment thereof;
FIG. 8 is an enlarged view of the segment of the callout region of FIG. 3 designated by callout region 8 shown in isolation from the remainder of the environment thereof; and,
FIG. 9 is an enlarged view of the segment of the callout region of FIG. 1 designated by callout region 9 shown in isolation from the remainder of the environment thereof.
The broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The broken lines showing the remainder of the waist band and the unshaded areas are for environmental purposes only and form no part of the claimed design. The broken lines showing thickness shown in the FIG. 7 and FIG. 9 are for environmental purposes only and form no part of the claimed design.