Xenophon described Socrates walking barefoot in the snow over rhe mountains of eastern Anatolia when he was in the army. I've coped with light snow cover in Edinburgh, we're not in the same league as the Kaçkars.

You get good at spotting things you might walk into, be it dogshit, glass or hot tarmac. Unfortunately the only hazard that really affects me is one that footwear doesn't protect against: car fumes and the chemicals used to make some shoes give me crippling eczema. The best my feet have been in the last 25 years was when I was staying in rural Moldavia where the local transport was by oxcart.