Seat cushions

[Erich]

Steve, the original Moseley Float-on-Air and Bryan Purves' cushions are in two sections. An inner and an outer. The advantage is that the inner is inflated to a slightly lower pressure and the outer more pressure, so that the outer supports the thighs and the bum sinks down a bit in the center. I like mine immensely, though I don't have many miles in them. Some inflatable kayaks(Iks) use inner replaceable bladders and that might be worth looking at as well.

Erich in Seattle