I might get you wrong...
but no... This ain't hoodie, there is no hood, shading part is impossible with helmet from physicist's point of view. You will either cover whole eyes with helmet or you will have eyes, no "left in shadow" option.
too lazy to write why is impossible to have eyes in shadow with helmet.
EDITˇˇ: still shadow placement is impossible. He doesn't has to have eyes, i don't care about that part, but then he should put some highlights on? shouldn't he? make some protrusions and recesses, make it 3d.
but no... This ain't hoodie, there is no hood, shading part is impossible with helmet from physicist's point of view. You will either cover whole eyes with helmet or you will have eyes, no "left in shadow" option.
too lazy to write why is impossible to have eyes in shadow with helmet.
EDITˇˇ: still shadow placement is impossible. He doesn't has to have eyes, i don't care about that part, but then he should put some highlights on? shouldn't he? make some protrusions and recesses, make it 3d.