Golf club heads with sole cavity ports and related methods

A golf club head comprising:

• a face comprising a strikeface and a backside opposite the strikeface;
• a head CG from which a gravity vector extends;
• a shaft axis extended along a shaft axis plane;
• a head heel portion;
• a head toe portion;
• and
• a sole coupled to the face and comprising a material, a sole bottom side, and a sole port structure having a port cavity extending into the sole from the sole bottom side;
• and
• a weight insertable into the port cavity along an insertion axis;
• wherein:
• the sole port structure comprises:
• a cavity opening located at the sole bottom side for access to the port cavity;
• a cavity heel end at the head heel portion;
• a cavity toe end at the head toe portion;
• a cavity front wall toward the face and extended between the cavity heel end and the cavity toe end;
• and
• a cavity rear wall away from the face and extended between the cavity heel end and the cavity toe end;
• and
• a cavity thickness measured orthogonal to the insertion axis, between the cavity front wall and the cavity rear wall, wherein the cavity thickness varies along the cavity length;
• the weight comprises a material having a density that varies along the cavity length;
• the weight material comprises a density less than a density of the sole material;
• the weight material is more flexible than the sole material;
• when the weight is inserted into the port cavity via the cavity opening:
• the weight is abutted against the cavity front wall and against the cavity rear wall;
• when the golf club head is at address, with the shaft axis plane parallel to the gravity vector and orthogonal to a ground plane:
• the port cavity comprises a cavity length, measured parallel to the ground plane, from the cavity heel end to the cavity toe end;
• the strikeface comprises a strikeface length;
• the cavity length is approximately 30% to approximately 90% of the strikeface length;
• and
• the head CG is defined by a combined mass of the golf club head and the weight when the weight is inserted in the port cavity;
• the strikeface comprises a lower strikeface area defined by a lower portion of the strikeface located lower than the head CG relative to the ground plane;
• and
• the cavity front wall comprises an area of at least approximately 30% of the lower strikeface area.