A typical work uniform for male characters. I modelled an historic uniform of a yugoslavian train driver used between 70s and 90s. The pants were modelled on the base mesh. Similar uniforms are used for airline employees, post office workers, police man etc. In this case modify the texture. You may create a complete uniform by using the jacket, cap and pants. It also works with Mindfront's oxford shoes. Delete groups are used. The leather litsphere is only used for a visibility of the normalmap. After exporting to e.g. Blender put the color output of the texture map into the input of the glossy shader. You also may increase the factor of the normalmap to make the details more visible.
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