Okay, I’ll say one thing and stop the argument right there…
People dress with plenty of clothes in desert climate to be protected from the sun but in equatorial wet climates (like the amazon), they actually go in the nude.
So, let’s just remember Barsoom is 1910 scifi, it doesn’t pretend to be scientifically correct to us, it’s from a time when Mars was supposed to be a living planet and that’s what matters. 🙂
Dare to Dream 🙂