Thermarest double hammock description the new slacker double hammock is the perfect answer for anyone looking to share a little hang time or to just enjoy a little extra space its got a generous cut for two and is made of the same soft polyester fabric as the single our unique fabric offers a great next to skin feel without the pressure points associated with nylon hammocks it stuffs into its own attached pocket that doubles as a place to stash a book tablet or sun glasses should yo