Baffler rail System utilizes Shallower or steeper rails depending on loft and angle of attack for improved versatility and forgiveness from any lie Ultralight carbon fiber crown-a lighter 5-ply carbon fiber crown saves discretionary weight to move the CG lower and deeper, producing higher trajectories and increased forgiveness 360 aero-innovative polymer Aero trips positioned around the perimeter of the clubhead improve drag reduction face-on through the downswing to generate maximum clubhead speed Forged E9 475 stainless steel face INSERT-A forged, variable thickness E9 stainless steel face maximizes flex for increased ball speeds and distance across all points of the face My Fly8 with Smart rail-8 easily adjustable loft settings help you manage trajectory and fine tune launch conditions to maximize distance