The Callaway Hyper X Driver was the first to feature the breakthrough Hyperbolic Face Technology, and it is still performs today! This technology generates higher balls speeds across the entire face, resulting in extreme distance even on mis-hits. Packed with 460cc's, the Hyper X Driver is ready to go long and straight off the tee box.Hyperbolic Face Technology minimizes energy loss at impact and creates one of the largest sweet spots in golf. The result is explosive distance across the entire clubface.Modified X-Sole design sits flush on the turf, aiding in alignment at address.Oversized 460cc clubhead and internal weighting create a high MOI for additional stability at impact.S2H2 design allows for weight to be repositioned from the hosel to the perimeter for additional forgiveness.Awarded 4-stars in Golf Magazine's Club Test.