I got this as a present so I can’t guarantee the authenticity. But I had it for a while now probably 10 years, and it’s still in very good shape. There’s no feathers coming out at all. I have purchased a couple of my own over the years at the Moncler store, and there the same quality. So that’s why I’m selling so low because I don’t have receipt or the correct information to know. But from my point of view it great quality. Size 1