If you want to go with period style clothing in keeping with a Morgan without the bulk of a sheepskin, then this leather coat takes some beating for warmth and durability with an Alpaca wool lining.
https://www.aeroleatherclothing.com/mens/barnstormer/mto010. Mind you the £960 price tag is a little steep, but I've had my black one over 30years now and its still not broken in.........and there is a quite strong second hand value and market for them.
