If you want to completely customize an existing material, you can dig into the asset folder of Adobe Fuse and open up an image materials in Photoshop CC. By customizing the textures, you can adjust materials found on the clothing, as well as swap out the textures, change the colors, and more. After you've assembled a 3D character in Adobe Fuse, then worked on customizing the character, and added clothing to your character, the final step is to customize the textures on your character.