What is the thickness of the pad once inflated?
MATTHEW L The mattress is 1.25 inches thick when inflated.
KAREN I 1/2" by my measurement. I keep mine inflated, under my bed - I measured it with a ruler, not calipers - so 1/2" might be approximate.
I love the mattress and found it comfy, but narrow - fine for me because I'm not a restless sleeper. Keep in mind it's CAMPING!
MARINA S It was a good thickness and comfortable to sleep on even on your side. The ground that I was laying the thermarest on was soft with no bumps or rocks underneath which made it even better.