The outer material is a poly-cotton blend, with some wear from age.
LOOK AT THE CLOSE UP PICS AS THIS JACKET HAS LIGHT WEAR / PILLING (pointed out in photos).
LIGHT PILLING ON THE INSIDE LINING OF THE COLLAR / NECK AREA.
THE ELASTIC IN THE CUFFS IS WORN - IT IS NO LONGER ELASTICIZED.
Very thick and warm!