All new multi material construction saves weight and repositions cg low and back 6 layer carbon crown with 9 1 1 skeletal titanium body frees up weight heavy back weight locates cg extremely low for speed and further back for more forgivenessgeocoustic technology advanced sole shaping with recessed toe panel enables club face expansion for added forgiveness externalized sound ribs optimize clubhead vibration for exceptional sound and feeldeeper more active speed pocket 3x more active than orig