| 主权项 |
1. A golf club head comprising:
a face, a heel, a toe, a top edge, and a sole; a back defined opposite the face; a crown extending between the top edge of the face to the back and between the heel to the toe, the crown comprising:
a first region having a center portion being concave relative to the face;a second region between the first region and the back; anda plurality of apertures in the second region, a largest dimension of at least one aperture being less than or equal to 0.25 inch; and a hollow region defined at least in part by one or more of the face, the back, the crown, the sole, the heel, and the toe, wherein at least a portion of the hollow region includes a filler material. |
