I think Widowmaker’s Noire skin is the outfit that was used to brainwash and alter her.
https://pm1.narvii.com/6767/fa6fcac465ece38613e111a2117f9d378fef4434v2_hq.jpg
It’s like she is wearing a brainwashing helmet, and there all those plugs on her outfit as if she was connected to a machine.