The ornamental design for exterior sides, top, and rear panels of a retractabletop for pickuptrucks, as shown and described.
FIG. 1 is a exterior sides, top, and rear panels of a retractable top for
pickup trucks showing my new design, it being understood that the broken
lines are for illustrative purposes only and form no part of the claimed
invention;
FIG. 2 is a greatly enlarged rear elevation view thereof;
FIG. 3 is an enlarged right side elevation view thereof;
FIG. 4 is an enlarged top plan view thereof; and,
FIG. 5 is a top left rear perspective view thereof in retracted condition.