Hi George, here is how it is done.
1. On the character, click the clothing item you want to save. You can also select it in the Scene Manager.
2. In the Content Manager, click the Avatar icon, and then select the Custom tab.
3. Click
Body Part and then select the particular category of your clothing item. For clothing that would be
CC Cloth, for shoes and boots that would be
CC Shoes, etc.
In the image below I have selected
CC Cloth because I want to save a pair of pants.

4. With your clothing item still selected, click the "
+" sign. The item will now be saved.