Callaway Hex Chrome Plus Golf Ball (12-Pack) Polybutadiene Imported Fast Single Core This extremely fast core leads to more distance for a wide range of swing speeds Dual Mantle Padlock System The thin inner and outer mantles produce more ball speed and reduce spin, especially off the tee Allows golfers to unlock maximum distance with the driver Dura Spin Cover Soft cover promotes Tour-level control on approach shots and shots around the green HEX Aerodynamics Refined pattern 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