My friend sprays antiperspirant on her feet prior to skiing, something she learned from her girlfriend a few years ago. She told me her feet sweat in her boots which, in turn, later makes her feet cold. Their remedy, spry antiperspirant on them to prevent sweating, thus, no cold feet.
She swears by it and applies every time before we go out. Also including she says it's all in the application timing, it must dry all the way prior to donning sock otherwise will stay damp defeating the purpose.
As she first told me of this over the summer I was comically skeptical, and it's quite hilarious to watch, yet, does she hold the key to no cold feet? Is this common practice that I've been left in the dark on?