Specifications 18 l 1600 g 27 x 52 x 17 cm camera compartment 25 x 24 x 16 5 cm airo flex airo flex is an extremely sturdy material that is both permeable and flexible we use it for our top quality hip belts to ensure optimum load transfer to the hips with simultaneous maximum ventilation ndash for utmost carrying comfort neutralite system designed for ambitious use our neutralite system is a carrying system for high capacity backpacks which allows even heavy loads to be carried