The Challenger is an overstable putter with a deep rim and a small bead. This is a common disc for both putting and approach shots because of its resistance to high-speed turn. The Z Midnight plastic will bring added durability compared to the standard putter-line currently being mass produced by Discraft. It will also hold its overstable flight much longer into its life than the putter-line. The Z Midnight plastic is highly sought after because of its appearance. The sleek, black look still carries the translucence of standard Z runs, but with a much more unique look making it quite visually appealing.