[@Andreyich] A cloak will do you little good in desert conditions if you are wearing full plate.

[quote]Accordingly, already the participants of the First Crusade (1096-1099) on their midsummer march through the Central Anatolian region in 1097 suffered greatly from the heat. Animals and man were weakened by thirst, horses died and knights had to march on foot.[/quote]

Similarly, they had ways to combat this, but that included removing the benefits of armor in order to not get cooked alive. Those who opted for the side of caution realized their mistake soon enough.

[quote]It is estimated that 70% of all crusader deaths were from conditions relating to the heat of the Holy Land rather than someone’s sword.[/quote]

I don't want to be that guy and I didn't say anything until the GM said anything, but chances are you wouldn't walk in full plate mail unless you knew combat was coming your way. Otherwise you'll be at a severe physical and psychological disadvantage.