I've had that happen only a couple of times especially in the the early weeks of PN when trying to wear socks. Do you have increased sensitivity to bedsheets also? As you probably know it is called allodynia and is quite common with PN.

I don't know whether it is the same cause but I find that my lower legs are now extremely sensitive when under the shower it feels like the water is either too hot or too cold, yet I know that it is not.

Sorry I can't give any advice about what to do, but I hope it improves for you.