All looks fine to me. Very wearable. Nothing too overtly "Mod" which is a good thing in my opinion.
I can't see anything there that I wouldn't wear and I'd buy the double breasted now.
He's just dipping a toe in the water, so he's gone with good basic stuff elements. I'm sure that now us are surprised by that.
That said, at last one 3 button would have been nice.
It'll be too expensive, of course but I'll have a piece or 2 if I have a good summer.