Not Strong Structure
I, like you, want something that will resist flattening down, or "bottoming-out." I am not so heavy, 6' tall and 210 lbs. So I got the EXTREME cushion. Nope... it bottomed out immediately. This cusion may be okay for someone under 150 lbs, but that's it. I'm paralyzed and use a wheelchair and wanted to put this on my shower chair. Now I'm trying to sell it to someone as a "car seat." If you're tiny, this may be okay, but it's small and delicate; unlike me.
Rating: 2 stars