[HR] Variant Heat and Cold rules.

[Bruno]

On the one hand, insulation just isn't a relative thing. Two inches of fur is two inches of fur whether I'm a jungle elf or a cave troll, watertight clothes keep everyone equally dry (preventing water from wiking away heat) and so forth.

On the other hand, how much heat a body generates, how much surface area there is to radiate it out from, and whether they even sweat like humans at all is likely to be very species specific...

But I'm inclined to say that overall, I would suggest it not be relative. Instead races with unusually weird relationships with insulating clothing have an additional quirk or perk, or it's subsumed into another trait (like Subsceptable to overheating or Cold Blooded)