Hey, thanks, Pathless... I've been looking for a side-sleeping pillow.

I've been considering mashing up one of the u-shaped inflatable "neck" or travel pillows and enclosing it in a down-filled envelope. This, I hope can provide a little 'squish' while still holding its structure at the core to keep my neck straighter.

Nice to hear the Exped can jump in if the experiment fails.