The ornamental design for a knitcap with ponytailaperture, as shown and described.
FIG. 1 is a perspective view of a knit cap with ponytail aperture, showing my new design;
FIG. 2 is a front elevational view of the knit cap with ponytail aperture, the rear elevational view being identical thereto;
FIG. 3 is a right-side elevational view thereof, the left-side elevational view being identical thereto;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken line outline of the person and ponytail in FIG. 1 depict environmental structure to assist in illustrating how the claimed design may appear in a position of use and form no part of the claimed design. The broken lines and unshaded surfaces between the broken lines of the knit cap with ponytail aperture in FIG. 5 define portions of the knit cap with ponytail aperture that form no part of the claimed design.