The one on the left is much more modern and it doesnt quite fit the theme if you are aiming for an authentic Regency Era outfit idea
These include a thermal layer underneath your mini that's either invisible (a vest) or visible (a long-sleeved polo neck that makes a nice contrast to your dress), as well as opaque tights, knee-high boots or shearling-lined ballet pumps and, last but not least, a winter coat to envelop your body in warmth but also provide a soaring juxtaposition with your frock's high-and-mighty hemline
If it's too sour, add a little more oil
Reference BOT: 0.89071002.1784732131.409a6b62
You can pair it with tall boots, combat boots or even sneakers for that cool-girl edge (even if youre just running errands)
Since you're already shaking up the formality with sneakers, keep the rest of your outfit leaning towards the formal side to maintain a harmonious look