About the Innova Cro
The Innova Cro is a small diameter, slightly overstable mid range with a moderately deep rim that provides a smooth release. Suitable for both backhand and forehand shots, the stability of the Cro is comparable to the Innova Roc and Shark, but the Cro will fly faster with less glide.
About Innova R-Pro Plastic
What's the difference from Pro and R-Pro plastic? The R-Pro plastic is more flexible and has additional grip that Pro does not. Does this mean it's better? No it just means it's different. Many Mid Range and Putters are made in R-Pro while Drivers utilize the normal Pro line.