Quote Originally Posted by Galician View Post
I'd just like to remind you, Trevor, that clergy would always have removed any and all headgear for the Canon (Eucharistic Prayer) of the Mass. So they had to endure the same cold heads as laymen for a good portion of the service.
It's that way as well in the Eastern Orthodox church. During the Anaphora (Eucharistic Canon), any monks/deacons/priests/bishops with the big hats (here) or mitres (here) remove them; they are also removed for the Lord's Prayer and the Creed.