Multi-material golf club head

A golf club head comprising:

• a striking face portion located at a frontal portion of said golf club head;
• and
• a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion;
• wherein at least one of said crown portion or said sole portion further comprises a base layer
• wherein said golf club head produces a sound that has a Critical Time Tcritical of greater than about 0.01 seconds and less than about 0.02 seconds;
• said Critical Time Tcritical is defined as the amount of time it take said sound to oscillate from a peak amplitude Apeak to a point of 10% of said peak amplitude Apeak.

A golf club head comprising:

• a striking face portion located at a frontal portion of said golf club head;
• and
• a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion;
• wherein at least one of said crown portion or said sole portion further comprises a base layer and a lightweight cover layer;
• said base layer does not contain any cutouts, and
• said lightweight cover layer has an Internal Exposure Percentage of 0%;
• and
• wherein said golf club head produces a sound that has a Critical Time Tcritical of greater than about 0.01 seconds and less than about 0.02 seconds;
• said Critical Time Tcritical is defined as the amount of time it take said sound to oscillate from a peak amplitude Apeak to a point of 10% of said peak amplitude Apeak.