The ornamental design for a headwear with a set of hair ports, as shown and described.
FIG. 1 is a rear view of a first embodiment of an ornamental design for a headwear with a set of hair ports; and,
FIG. 2 is a rear view of a second embodiment of an ornamental design for a headwear with a set of hair ports.
The broken lines that define the hat bill, the hat crown, the hat snap button, and the stitching define portions and/or structure of the hats that include a set of cords and a strap that form a set of hair ports form no part of the claimed design.