discraft esp swirl sparkle glo zoneA Zone is the perfect approach disc for players of all levels. It is used by the pros to make sure they are under the basket and avoid long putts, while for new players it will allow them to learn to trust the disc and feel confident in what it does once it leaves the hand. In ESP Sparkle Glo plastic, you get a limited edition glow version of the popular Zone that can glow in the dark.