No, the bags were washed and line dried.

Learned about the dryer issue while working with a court program that had inmates do laundry including sleeping bags. They were trying to get things done quickly. When we got the brand new sub zero size long bags back, they looked like summer bags for short people. And kind of lumpy. Like the WW2 chicken feather bags with the chickens still attached. (tip of the hat to Patrick McManus, a fine and pleasant misery