Received my 3 test ball this week. So far I have played 9 holes with one ball, the weather was cold and windy and the ground conditions were wet. First impressions were it feels like a 3 piece ball but acts on the green and short shots like a 4 piece ball. Distance an spin control were good with the added benefit of a; 1- Nice sound of the club when driving 2- You can feel the compression of the ball with both the woods and irons

so I'm assuming its a medium compression ball (around 90 comp). It's about as close in feel to the old PTS balls as I have experienced since they stopped making them.