The ornamental design for a hairwraptowel, as shown and described.
FIG. 1 is a perspective view of a hair wrap towel showing a rear, a top, and a left side view of my new design;
FIG. 2 is a perspective view of the hair wrap towel showing a front, a bottom, and a right side view of my new design;
FIG. 3 is the rear view thereof;
FIG. 4 is the front side view thereof;
FIG. 5 is the right side view thereof, the left side is not shown and is a mirror configuration of the right side view;
FIG. 6 is the bottom view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a rear perspective view of the hair wrap towel shown in a position of use; and,
FIG. 9 is a front perspective view thereof.
The broken line outline of the partial human figure in FIGS. 8 and 9 assists to illustrate the hair wrap towel in a position of use and forms no part of the claimed design.