Need help moding/Editing

[Warcoder]

Hello

 

i would like to know how to modify the ingame uniforms.Like lets say i want to modify my characters uniform and add a logo on the back of the shirt how is that done???

 

I allready know how to edit his face but would like to know how to do hes clothing please if anyone knows how to do this please help me.

 

Thank you very much