Under robe

[cooldevo]

It was taken from the CRL that's stickied at the top of the ROTJ sub forum:

http://forcepike.net/forum/viewtopic.php?f=11&t=3

Other parts not directly mentioned in the CRL are taken in snippets through other WiP threads. Like this one, that specifically says it should be velvet on velvet, and that the stacking ring design is for prequel: http://forcepike.net/forum/viewtopic.php?f=11&t=2346 over the first two pages.