I am not overly familiar with under armor and their different products, but my inclination is to say without it. Just because a material will add extra warmth when dry using a dead air space does not mean it will when wet. It i probably just more material to trap and hold a little more water next to your body - which you are trying to avoid.
the guy was wearing the armor in the war
an armor called The Hulkbusters
The unbreakable armor I assume you are talking about is the Armor of Altaïr. If you want to equip the Armor of Altaïr you just go back to your Villa and on the first floor there is a room with mannequins wearing armor. Find the one wearing the Armor of Altaïr and equip it there.
He is wearing a full body armor that covers MOST of his body
high level rathian armor with a redwing
for protection
Knights started wearing plate armor for better protection against arrows and weapons in battle. This armor increased their defense but also reduced their mobility. Additionally, plate armor allowed knights to display their status and wealth.
A Spartan wearing Mjolnir armor weighs about half a ton total.
No they do not
A full length chiton.
Hammerfell clothes.
It is said that she is always seen wearing armor and wearing a spear.