Adventure Under Quilt: Hammock Camping InsulationFree U. S. Shipping! Made just for hammock camping, the Adventure Under Quilt hangs under your hammock to insulate you from the cold and to block wind. Hammock Camping is Going Mainstream Every day, more people are switching from tent camping to hammock camping. If you try it, you might find that your backside can get cold fast, because it's exposed cool air and wind. Some people use sleeping bags in hammocks but the insulation gets compressed and