The first single skin pramhood, style bivvy with a sewn in groundsheet for a fully enclosed bivvy system, keeping all insects out. Tension is created by using our fast secure stainless steel clip system. Made from our 210D 10,000 HH Oxford Nylon and our new high density special weave PE sewn in groundsheet . We also supply an extra heavy duty groundsheet for additional protection. Includes new system back vents , rod retaining straps, side windows with PE coated mesh and a new adjustable pegging point system.