This echoes the earlier conversation about sleeve length. I like a shorter sleeve length on a coat – male or female. But then, the folded-over caftan sleeve doesn't seem right to me. And it starts to billow out under the coat sleeve.
This is also common when the under garment is a knit and the outer garment is a woven – the shorter outer garment then exposes too much of the underlying sleeve and it looks awkward.
He is avoiding it in these pix – but just barely. He is so pulled-together looking that it doesn't matter for the photos. He just looks great.
Adore this man and his style. On my website I have a category called 'progress chic' that describes something that references the past but is thoroughly modern. I can't think of a better example than Robert's caftan/coat combo.