A wood-type hollow golf club head comprises a face having a specific
thickness distribution, wherein average thicknesses tUTP, tUCP, tUHP,
tMTP, tMCP, tMHP, tLTP, tLCP and tLHP of an upper toe portion UTP, upper
central portion UCP, upper heel portion UHP, middle toe portion MTP,
middle central portion MCP, middle heel portion MHP, lower toe portion
LTP, lower central portion LCP, and lower heel portion LHP, respectively,
of the face satisfy the following conditions: (a) tUTPtUHP;
(b) tMTPtMHP; (c) tLTPtLHP; (d)
tUTP>tMTPtMHP