This is the latest and improved toggle closing for quicker and easier systems. Undercover can be set up or erased without taking off the hammock. It supports waterproof and windproof so that makes it an air space trapping. This includes a contoured ultralight cell foam pad opened that suits the occupant shape and encloses between the layers. Utilize an emergency space blanket on upper of under pad. The system contains under cover as well as under pad. The weight is about 1 oz. You should remember that the over cover is a separated that can be attached to the super shelter for use in freezing environments. This type of hammock is only recommended explorer classic, deluxe and ultralight.