Weight of War
https://www2.kuow.org/specials/militaryweight.pdf
Notice additional weight in the bottom left corner.
It’s not a percent of your body weight - it’s your share of the load regardless of your weight.
100lbs. is close to 100% of a female’s body weight. I’m no physiologist, but I can’t imagine there would be that many females able to carry that amount of weight for extended periods of time, let alone in the mountains of afcrapistan...