The Aircontact Ultra is for all thru-hikers who want to challenge themselves on the supreme discipline of hiking and need lightweight and reliable equipment to do so. Thanks to the Aircontact back system with reduced contact surface and spacer mesh (Air Spacer Mesh), the weight-optimised lightweight offers increased ventilation of the back. The additionally adjustable back length with a clip & loop solution and the optimised ergonomics of the hip fins ensure a snug, comfortable fit on long journeys. Reduced to the essentials, the lightweight pack has a very good weight-to-comfort ratio and is really hard-wearing from top to bottom thanks to the robust ripstop material made of high-performance fibres. By removing the lid, further weight can be saved, but the backpack can still be closed tightly thanks to the drawstring and press stud. Depending on the use and equipment, the backpack can be optimally modified thanks to the removable lid and compression straps. This means that a wide variety of items can be attached.