The ornamental design for a haircap, as shown and described.
FIG. 1 is a front perspective view of a first embodiment of the hair cap.
FIG. 2 is a front perspective view of a second embodiment of the hair cap.
FIG. 3 is a front perspective view of a third embodiment of the hair cap.
FIG. 4 is a front perspective view of a fourth embodiment of the hair cap; and,
FIG. 5 is a front perspective view of a fifth embodiment of the hair cap.
For each of FIGS. 1-5, rear perspective views of the embodiments of the hair cap are the same as the front perspective views of the embodiments of the hair cap.
The even-length broken lines depict features of the hair cap that form no part of the claimed design. The dot-dash broken lines define the bounds of the claimed design and form no part of the claimed design. The interior surfaces of the hair cap within the dot-dash broken lines depict portions of the article that form no part of the claimed design.