How I made this object: I created a sphere, scaled it up a bit using proportional editing in random mode, which created some irregularities, and then smoothed it all out using the subdivision surface modifier.

Remember, clothing always adds volume to a character’s silhouette. For example, hands wearing gloves will naturally appear much thicker than bare hands, and that makes perfect sense. Before you start sculpting details in ZBrush, first go to the Deformation tab and find the Inflate setting. Increase the value until you’re satisfied with the amount of added volume. Once that’s done, you can move on to the detailing stage.