Callaway Hex Black Tour X-OUT Golf Balls I-Core technology combines a soft inner core with a firm outer core for optimal spin separation from Tee to green, optimizing the balance of distance and Control Duraspinatm cover uses a proprietary formulation to significantly improve durability and yield the soft feel and exceptional short-game spin players seek in a Tour golf ball System consists dual mantle padlock of thin inner and outer mantles that produce more ball speed and reduce spin, especially off the Tee, allowing golfers to unlock maximum distance Hex aerodynamicist has a refined pattern that provides the best aerodynamic performance EVER in a Callaway golf ball, reducing drag and promoting a stable, penetrating ball flight that holds its line in the wind X-OUT is a ball that has small, sometimes unnoticeable cosmetic imperfections. These balls have no known structural issues and should perform exactly like the non X-OUT version