Unfortunately coverage and heating go hand in hand. Breathability certainly helps. Perhaps a bamboo lamellar plate? Or traditional middle eastern clothes worn in deserts. But even still, not sure if those clothes would not retain heat, I’m sure that would just protect you from the sun’s harmful rays.
On a semi-related note, I’d love it if they implemented heat stroke and sun burns. Heat stroke could be implemented with high thirst and no head coverage. Sun burns would require coverage to protect against, but would of course increase thirst in hotter temps.
Why aren’t there mutations that mitigate heat? Yeah, fur and fat mutations for bears during winter, but nothing seems to help with the heat. Maybe rabbit mutations tree, cause their ears… cool them off I think?
Or why not have drinks that have been in a mini-fridge cool you down while you carry them?
Also, there are kinds of cloth that cool you down if you wet them first. The evaporation sucks the heat out of you while it dries. Having that in game would certainly help with heat.
Bamboo and cotton are both terrible materials especially in winter. Not only to they absorb sweat. But they do so in a way that would kill you in the winter and would make your garment rather filthy in the summer in short order.
We could really use Nylon and gortex in game. But some folks poopoo the idea. Also merino wool. In short, camping gear. Waterproof, breathable, cool in the heat while warm in the winter.
The 2 materials I ONLY wear. Nylon and Merino wool. Nothing less than 75% merino will do! Else it really doesn’t work. Well Gortex I suppose I use too. But nylon with a high denier is usually cheaper >_>