Club heads having reinforced club head faces and related methods

A golf club head comprising:

• a front end, a rear end, a top end, a bottom end, a toe end, and a heel end;
• a face element comprising a face surface located at the front end and a rear surface located at the rear end;
• the face element comprises a face center, a face perimeter, and a variable thickness profile measured between the face surface and the rear surface;
• the variable thickness profile includes a perimeter region comprising a perimeter thickness that is constant, a transition region comprising a varying transition thickness, and a center region encompassing the face center, the center region comprising a center thickness that is constant;
• wherein the perimeter thickness comprising a minimum thickness of the face element;
• wherein the center thickness comprises a maximum thickness of the face element;
• the top end having a top rail extending in an arcuate fashion toward the bottom end to form a top rail wall;
• the bottom end having a sole and a rear portion integrally formed with the sole, wherein the rear portion extends upward toward the top end;
• the toe end is divided into a first toe end portion, a second toe end portion, and a third toe end portion;
• the first toe end portion is adjacent to and integral with the top end;
• the third toe end portion is adjacent to and integral with the bottom end;
• the second toe end portion is positioned between the first toe end portion and third toe end portion;
• wherein the toe end comprising a toe ledge extends between the top rail and the rear portion, the toe ledge is integral with the top rail wall and the rear portion;
• and
• wherein the heel end comprises a heel ledge extending in a curved manner toward the top rail, the sole, and the toe end, the heel ledge is integral with the top rail wall and the rear portion;
• an undercut comprising a first cavity, a second cavity, a third cavity, a fourth cavity, and a fifth cavity;
• the first cavity is formed between the rear surface and the top rail wall;
• the second cavity is formed between the rear surface and the rear portion;
• the third cavity is formed between rear surface and the toe ledge at the first toe end portion;
• the fourth cavity is formed between the rear surface and the toe ledge at the third toe end portion;
• the fifth cavity is formed between the rear surface and the heel ledge at the heel end;
• one or more reinforcement ribs integrally formed with the rear surface of the face element, the one or more ribs extending radially in a direction extending from the face center to the face perimeter;
• and
• wherein the one or more reinforcement ribs extend into at least one of the first cavity, second cavity, third cavity, fourth cavity, and fifth cavity of the undercut.