Reading through all these experiences just confirms how much little tweaks can make a difference in the wild. That liner/blanket suggestion is spot on—I’ve used everything from an old flannel sheet to an emergency blanket right over similar mats, and it honestly takes that chill off, especially with nylon that can get clammy if the temps drop. For anyone with arthritis or joint aches (like me!), a bit of extra padding on top keeps pressure points happier, too.
About uneven ground—my main advice is to clear away anything sharp or pokey first (even small sticks seem to find their way to my hips otherwise). This mat does a decent job smoothing out mild bumps, but if you’re dealing with roots or rocks, stacking a thin foam pad underneath really makes a world of difference