Callaway Lady XR Hybrid For the Callaway Lady XR Hybrid, Callaway changed their whole approach to make a hybrid thats easier to hit and much longer. From the ground up, they developed a completely new Forged Hyper Speed Face Cup that increases ball speed for much greater distance and forgiveness. The ideas kept coming, so Callaway put in more moment of inertia (MOI) and lowered the center of gravity (CG) even more by redesigning the head shape and improving the Internal Standing Wave. Its amazing what you can do when you change everything. Increased Ball Speed for Greater Distance The next generation of the Forged Hyper Speed Face Cup increases ball speed all across the face, so you get distance and forgiveness at every impact location, even on off-center hits. Higher MOI and Lower CG in a Hybrid Callaway completely redesigned the head shape to reposition weight. This creates even more forgiveness and a CG thats 46% lower than X2 Hot. More MOI and Ball Speed The re-engineered Internal Standing Wave is the ultimate team player. Its a refined way to increase MOI and still give the face cup the freedom to flex for more ball speed.