Generally, no socks with Vibram Fivefingers if warm weather (I use them just in the gym and for running), normal cotton socks for everyday and wool socks for hiking or running if cooler temperatures. I know that some people have challenges with sweat and smell and I don’t count myself in those, so my feedback could not be what you’re looking for :)

Injinji

Injinji typically when I wear socks. I don’t wear socks with my vff - I just wash them super regularly. I only wash them cold so they don’t warp but I soak them in a laundry sanitizer first to kill any odor-causing bacteria.