This is obviously the best sleeping mat to exist:
https://www.varusteleka.com/en/product/finnish-sleeping-mat/17334>standard Finnish army sleeping mat so guaranteed to insulate from cold ground with snow and water>you can use it in multiple ways, rubber side either against the ground so the mat won't slide, or the rubber side against you so you won't slide.>not possible to roll off onto the cold and wet ground thanks to the "wings">will last a lifetime>comfyOnly negative is the size, but doesn't really matter if you strap it outside of your backpack anyways.
