The Challenger is a tall, overstable putter with a deep rim and a tiny bead. It has a Discraft stability rating of 1, and as an overstable putter is able to handle long approach shots without turning over. This putter is popular for advanced disc golfers.
 
Discraft's Recycled ESP plastic is just as it's name suggests, a recycled version of ESP plastic. It feels awesome and slightly softer than regular ESP plastic.