Seat foam

[blue up]

After a lengthy spell recovering from some nasty spinal surgery I am looking forwards to returning to flying (albeit on a 737 :( ). My big problem at the moment is that one of my butt cheeks has shrunk a lot when compared to the other side.
Is there a source of foam that can be recommended for seat wedge making so that I can carve it myself, experiment with shapes and angles and ultimately make a portable bum chock? It ought to be quite rigid, sensibly priced, fireproof and breathable. I need to get it right because I'll spend long hours wedged rigidly at a given angle and the bones might well knit together out of alignment.
If anyone has ANY useful input then I'd be interested to hear it.

[cavortingcheetah]

Would this lead be of any use I wonder?

Formflex Natural | Medical Technical Fabric Technology | Lantor UK (http://www.lantor.co.uk/formflex-natural.html?gclid=CNDe08qWicECFVDKtAodPxwAtQ)

[blue up]

Thanks.
I'll give them a try.

[RatherBeFlying]

Have a look at Cumulus Soaring, Inc.- E-A-R Specialty Composites (http://www.cumulus-soaring.com/e-a-r.htm)

Glider flying for hours can be a pain in the rear -- until I got the 2" pink and blue cushion with cover:ok: