I may be more peculiar than the average forum-goer, but to me "Environmental Defences" sounds like defences provided by your environment rather than defences against your environment. I can't think of a better term for the latter, but I can't help feeling like there is one.
I also feel that we should be sure to point out that this categorization and naming scheme only applies to commercially-produced gear: anybody who rolls their own might get something that combines two or more types, or something that defies this system altogether.
I also feel that we should be sure to point out that this categorization and naming scheme only applies to commercially-produced gear: anybody who rolls their own might get something that combines two or more types, or something that defies this system altogether.