Head LiquidMetal

LiquidMetal®
Developed by the California Institute of Technology (CalTech), LiquidMetal® alloy provides 29% more power than Titanium. Just as its name implies, LiquidMetal® alloy is different from conventional materials because of its liquid (or "amorphous") atomic structure. This means that LiquidMetal® alloy does not deform on impact, resulting in ultimate energy return.
Head places LiquidMetal® at four strategic areas of the racquet's head, integrated in the main layer of the frame's construction. This allows all of the energy from ball impact to be used for a power return - so what a player puts into his or her swing is exactly what they get out. The result is what Head calls Pure Energy. Perfect Power™