Not really what I said...
Here's my posting:
] I'm reading The Regency Companion these days, and I came across this, in the chapter "The Fashionable Lady": one of the rules of behavior a fashionable young lady had to follow was "Never express an urge to be wearing a warm pelisse or shawl. The very lightest of wraps should suffice in every type of weather."
I don't know what temporary little fads might or might not have been temporarily and ephemerally considered fashionable among the Parisian elite, but I strongly doubt whether they were followed by the generality of English "country gentlewomen" such as Jane Austen, who were probably just as wrapped-up as they wanted to be ;-)