Callaway Warbird Plus used golf Balls feature HEX Aerodynamics for the first time ever on a Warbird golf ball. The Callaway Warbird Plus Golf Balls also feature a new high-powered core, making this the longest Warbird ever made by Callaway. This 2-piece construction golf ball consists of a high-resiliency core for maximum distance and soft feel, and a durable Ionomer cover that provides long lasting playability and increases driver distance. Put the Callaway Warbird Plus used golf balls in your bag today and you will not be disappointed.