A golf club head comprising features for adjusting the location of the center of gravity along all three axes is disclosed herein. In particular, the head comprises a body with a channel in its sole, at least one slidable receptacle sized to engage the channel, and a slidable weight. The channel preferably comprises a first floor and a pair of rails, while the slidable receptacle comprises a first base portion, a first bolt, and a first upper portion with a slot having a second floor and another pair of rails. The first upper and base portions grip the channel's rails when the first bolt is tightened. Similarly, the slidable weight comprises a second upper portion, a second base portion, and a second bolt, and the second upper and base portions grip the slot's rails when the second bolt is tightened.