Hammock has two insulation systems. They are either using underquilt or sleeping pad. It is needed to be able to keep your body always warm. Instead of using underquilt, choosing the sleeping pad wisely and properly can make this item work alright. The pad is also available in inflatable one. You can blow air into this item to make it take the hammock shape. For those who love to go on winter camping, then this pad will be very useful. It will help you to stay warm during winter camping. To keep your backside warm, you can enter this pad. You can rest your body on top of it inside the hammock.