This is real wool. Nice collar. Buttons in the coat easily,. It makes the coat a little snug but it still fits. Only drawback is you can't really access the inside pocket in the coat. There is an opening that allows limited access but it is limited. The wool collar lays on top of the coat collar so it is prominent when the liner is installed. I can still button the top button on the coat but it is quite snug with the liner inside.