The Aircontact back system and breathable Air-Spacer mesh reduce the contact surface on the back for optimum ventilation. The Clip & Loop back length adjustment, the ActiveFit shoulder straps and the ergonomically shaped and padded hip fins guarantee maximum carrying comfort even on long distances. Position adjustment straps and the lumbar pad for ensure optimal load transfer. Thanks to the removable lid and the modular fastening straps, different attachments of items are possible. The separate hydration bladder compartment is compatible with hydration systems of up to 3 litres.