The Challenger OS is a more overstable, flat-topped version of the popular Challenger. This putter works best for driving, throwing into headwinds, weaving forehand approaches, and tossing hyzer putts. It is overstable enough to meet a majority of a player's needs without becoming a meat hook.
- Speed: 3.0
- Glide: 5.0
- Turn: 0.0
- Fade: 2.5