Callaway Big Bertha Driver (Right-Handed)Callaway Big Bertha Driver Big Bertha is one of the most iconic names in golf, providing game changing performance and making the game more fun for players of all abilities. Our new Big Bertha Driver is especially designed with an ultra low, forward CG for players who want to reduce their slice for straight distance and an easy launch. From the generous profile to the high strength XL face, these drivers are built for more confidence and for players