Wow, I’ve never seen a photo of Boba with the poncho he has in the concept art. Wonder if they ever filmed any scenes with him wearing it?
They didn’t. That’s a preproduction test shot of the first prototype suit (just after they decided to pain the white one).
Here it is in color on a mannequin:
(this one is the actual “first” version and the only-known image of the eyes on the helmet in that position, you can actually see where they covered over them on the other image)