response: Well, I know that they were modelled after waistcoats that British officers used during war
original_response: Yea he is one of the greats.  But about these cardigans, they are modelled after the knitted wool waistcoat that the Brits wore during the war.
history: Do you happen to have a cardigan? They make great sweaters! Bots don't have such things. Have you ever seen the more modern version of the cardigan? It has no buttons. I have never seen it, what else do you know about cardigans?
knowledge: It is modelled after the knitted wool waistcoat that British officers supposedly wore during the war.