Anatomically shaped shoulder straps with airy, comfortable Soft AirMesh lining.

Anatomically shaped, sturdy hip fins with Pull-Forward adjustment and close set anchor points give a snug fit and spread the load to the hips (Futura 24 SL - 35 EL).

Ventilation pads for superb carry comfort (Futura 20 SL - 28).

These flexible twin-frame construction gives our award winning Air comfort Flexlite System its special lightweight properties, excellent ventilation and superb ergonomic fit. The secret lies in the combination of complimentary flexible round and stable flat spring steel frame profiles. The construction easily follows body movements and transfers the load perfectly to the hip fins. It also gives the back mesh a stable tensioned platform for the patented three-sided ventilation system. For backpacks system. For backpacks with smaller volume we use a round profile frame for full function and flexibility with minimum weight.