M1947 Parka liner, looks like the cuffs may have been replaced but otherwise tip top shape. I found this loosely fitted into one of my M1951 Fishtails. Having snaps, it wasn't a good match as the M1951 requires buttons. These Parkas changed a few times over the years but an interesting animal to study considering they are still pretty available in the wild. I've got this on Ebay now so we'll see how desirable it really is in about a day once a few watchers tag it.