I can’t imagine hiking in puffy pants; these and any others I’ve ever had would be too warm for me. Glassing or any other low to no movement activity is really what they’re made for. I’ve never slept in just insulated clothing so I won’t speak to that, but these are warm to below freezing in low...
I can see how this question might be misconstrued as "What number should I say in my head to determine lead when shooting a moving animal?" or "What tricks have you picked up for ass shooting elk and deer?" Though I think both of those topics deserve their own thread.
I haven't weighed them, so take this with a grain of salt, but I'd say they're right around a pound. Below is a pick of them stuffed into the included pocket - they're a tighter package just rolled up (about the size of a folded and rolled Thermarest XTherm), and would compress a bit more in a...