Originally Posted by RagnarokCzD
I have no strong feelings in this matter one way or another ...
I just wonder if our characters that are wearing metal helmet, should not have perception disadvantage, or some debuff to outweight protection ... after all, almost every helmet i even seen at least a little bit reduced sight.

A perception disadvantage would be a good idea for helmets. Gain the advantage of no crits, but lose perception. Sounds like a fair trade off.