[at-l] tyvek sleeping - a tale of 4 nights

[hopefl@juno.com (Lamar Powell)]

Hey Delita, this is interesting. I've wondered about trying to make a
gortex overbag. Tyvek would be a lot cheaper. Also, Tyvek might be a
better wind blocker than gortex fabrick that I've seen in cloth
departments.  Hopeful