While you're in the Player Configuration Mode, put the cursor on top of your character and press and hold all four C-Buttons at the same time, then press A. You will now be able to customize your player's stature and pick height data from 10 to 255 cm.

When you're first teeing up, press any of the four C-Buttons to change your golfer's clothes. There are four different types of clothes to pick from.