The ornamental design for pants with zipper, as shown and described.
FIG. 1 is a front elevation view of a pants with zipper showing my new design;
FIG. 2 is a left side perspective view of the pants with zipper of FIG. 1;
FIG. 3 is a left side perspective view of the pants with zipper showing the waistband unbuttoned;
FIG. 4 is a left side perspective view of FIG. 3 showing the zipper partially opened;
FIG. 5 is a left side perspective view showing a second embodiment of the pants with zipper;
FIG. 6 is a left side perspective view of the pants with zipper showing the waistband unbuckled and the button and hole of Embodiment I replaced with a clasp and hook; and,
FIG. 7 is a left side perspective showing a third embodiment of the pants with zipper with the waistband unbuckled and the button and hole of Embodiment I replaced with a snap fastener.
In the drawings, the broken lines represent stitching.