Great support for overweight people
I bought the ultimate cushion after returning a $40 memory foam cushion.  I weigh 350 lbs or so, and this thing is amazing.  Its the only cushion I've found that keeps me from bottoming out.  I'll probably be working more at home now due to the pandemic, so this will be a lifesaver for me.  I could immediately tell it was the best cushion I've used the minute I sat down on it because it actually does what it's designed to do regardless of my weight.  It's super pricey, but I have to say it's worth it... My xxl AK racing chair cost me around $500 but I think this cushion is benefiting me more than my chair is.  It's big though, but for me it fits perfectly (AK Racing Max size).
Rating: 5 stars