The thing nobody warns you about with winter boots is what happens to whatever you're wearing with them, not the boots themselves. A long skirt or a wide trouser hem that looks perfect dry will trail through slush, pick up a grey salt tide mark within a week, and sit cold and damp against your ankle for the rest of the day. Floaty fabrics, viscose, silk, anything with real drape, do the same thing and then cling. Once you've built around that, boots are worth the bother, because nothing else keeps feet properly warm and dry on an icy pavement, and a good pair sees you through months, not weeks.
They clash most with anything that wants to skim the leg closely below the knee, since a chunky sole under a slim hem just looks like two outfits that didn't speak to each other before leaving the house. Patterned tights under patterned boots do the same thing, too much going on at once, and a floaty midi needs either a slip underneath or a decent coat length over the top, otherwise the fabric blows around the shaft and catches on the buckles. The honest limit is that they are not the right choice for anything dressy that needs a clean line to the ankle, and they are no good at all if your feet swell by the afternoon, because a boot that fit at nine in the morning can feel like a vice by five. Sizing is the real trap: most of us buy true to our shoe size and then discover there's no room for a proper wool sock, so go up half a size if you plan to wear them with anything thicker than a thin cotton liner, and always check the calf width before the length, since a boot that's long enough but too narrow in the calf is the one that ends up at the back of the cupboard.
A skirt that sits just above the boot shaft, rather than brushing it, is about the only combination that survives a wet week without complaint.
Try them on with the socks you'll actually wear, not the thin ones the shop keeps by the till.