Summary: A heavy-duty, high-capacity back-pack that provides security and protection for camera equipment.The Primus AW, Lowepro's first photo backpack in which recycled material represent 51% of its content, is designed with travellers in mind. Most of the exterior material is Cyclpet, which is manufactured from recycled soft-drink bottles and is tough and resilient. Each bag contains the equivalent of 22.6 soft-drink bottles. . .