GOLF CLUB HEADS WITH STIFFENING RIBS

Disclosed herein is a hollow golf club head comprising a first component adhered to a second component. The first component comprises: a crown return and a sole return extending rearwardly from the strikeface, a sole extension extending rearwardly from the sole return and forming a portion of the sole, a back rail connected to the sole extension, a skirt connected to the back rail, and a rib positioned on an interior surface of the golf club head. The crown return forms a portion of the crown. The sole return forms a portion of the sole. The rib comprises a lower front end point, a lower rear end point, an upper rear end point, a bottom edge, and a top edge. The rib height varies between the lower front end point and the lower rear end point. The rib extends from channel configured to receive a weight portion, to the crown.