I found mine on the old actionvillage site for like $19.95 that was a year or so ago. Have you tried Ansgear?
Edit: Here ya go
By 2012 we thought we would have flying cars, all we have is blankets with sleeves.
You don't seem to understand, BRO. It's a Shotgun, that shoots Rockets, BRO!!!!!! Feedback
Long distance member of: Team Long Stroke (It's like a long distance relationship only better)