Tournament Waiting Room

Given that underneath the metal plates is a layer of thick, insulating clothing designed to cushion blows further, I'd say the platemail.

"True. But a suit of plate like this helps more, and so does keeping one's foe as far away as possible. It's why I insist every paladin I train gets to know the crossbow and the spear in addition to the sword and a weapon they choose." Although a halberd would be better against armour than a spear, especially as Azurelle isn't mounted.