I can't wear sweaters. Everyone keeps their heat up too high in the winter, and I end up overheating a few minutes after I step indoors. If I do wear a sweater, it's a zipped or buttoned pullover or cardigan so I can easily strip layers when I start to get hot.
Stores are the worst. Why the fsck would you turn the heat up to 75 in a store when it's in the 20s outside and people are coming in wearing heavy coats and sweaters???