On my XL/XXL & 5'7" daughter, this fit beautifully on her! Very roomy and flowy in all the  right places.

I'm an L/XL & 5'2", and looked like I was drowning in it. So I would say this fit more like a XXL, and I would probably have to get a Medium to find my preferred fit. And I only ever get a Medium in Men's Shirts.

Also, this NEEDS accessories, otherwise it'll look like pajamas or generally very dressed down. Or you could say this is the perfect outfit for those who love a blank canvas to accessorize.