Epic Distance & Forgiveness

Callaway Great Big Bertha Epic series of drivers with Jailbreak technology

Callaway‘s new Great Big Bertha Epic series of Drivers, are a true paradigm shift in tour driver performance and are based on Callaway's innovative new Jailbreak Technology, which fundamentally changes how the head and clubface behave at impact to deliver more ball speed and distance.

At impact, a metalwood's face flexes and the crown bulges upward while the sole bulges downward. Jailbreak bars form a firm connection between the crown and sole to inhibit their flexing. That puts more of the load of impact on the face. Physicists call this "energy

GBB Epic Star GBB Epic Sub Zero