I did a couple of diverse seasonal experiments in Afghanistan. I wore just one pair of lighter body weight Darn Tough socks to get a full 7 days (working 7 times every week) on a number of occasions. I used to be a senior advisor not a doorway kicker anymore, https://electric-shaver76319.blogzet.com/thigh-high-fishnet-socks-fundamentals-explained-47407357