That cushion has its drawbacks. First, the synthetic material of the cover has a low coefficient of friction. I had difficulty keeping it under my butt, even with jeans. Secondly, and perhaps most importantly, the cushioning isn’t particularly dense. I’m 6'0" and 260 lbs, and it flattened to the point that, combined…

That cushion has its drawbacks. First, the synthetic material of the cover has a low coefficient of friction. I had…