1 Breathable pads with special breathable hollow chamber foam: With every movement, a pump effect circulates air through the breathable Aircontact cushions. In addition, on Aircontact Lite the Air channel ventilation between the back cushions is very effective.

2 Mulit-layer hip belt construction: inner side has soft foam with 3D Air mesh lining for comfort. Through stiffer foams and PE sheet reinforcing, the core and outer layers maintain the anatomic form and enable most effective load transfer to the hips. Thin profile Bilaminate hip belt: inner side has soft foam with comfortable 3D Air mesh lining, and the outer has stiff foam for staility and load transfer. (ACT Lite 2 system picture).                       

3 Vari-Quick system for easy adjustment to any back length (Aircontact 40 10, Aircontact Lite 35 10 and larger)

4 Aluminium stays transfer the load to the hip belt. On the Aircontact Lite series (35 10 SL and up) light, curved profiled stays are used. With it's light X- frame construction this load transferring and yet flexible carrying system moves with your body.

5 Contoured shoulder straps with Air mesh lining.

6 Stabiliser straps allow optimal positioning of the backpack.