Callaway X Hot Driver Technology; Hosel adjusts the face angle in Open, Square or Closed positions to improve accuracy and trajectory, and allows golfers to dial in their preferred look at address Speed Frame Face Technology; A combination of VFT and Hyperbolic Face Technology creates a larger sweet spot and increases ball speeds across the steel face for longer, more consistent distance Our thinnest casting technology ever creates a lighter overall configuration to promote more distance; Draw Bias Progression changes the amount of draw bias depending on the loft, which allows golfers to better fine tune their shot shape Lower Club Weight and Swing Weight; Lower club weight and swing weight for improved feel; Ultra Thin Wall Casting Technology; Lightweight Project X Velocity Shaft; Premium lightweight shaft further enhances speed and distance