The double level mesh pocket allows you to separate small objects in the top mesh pocket (the pocket with black mesh) from the bigger ones in the larger mesh pocket. It is especially convenient as a cable tamer, where cables are neatly separated and easy to organize.
This is the double level mesh pocket when it is zipped closed.
This is the upper level of the mesh pocket, for smaller objects and cables.
The larger pocket of the double level mesh pocket can hold your larger cables and gadgets like a keyboard. Note that the upper mesh pocket is pushed back at the top.
Keyboards fit in this mesh pocket.
The mesh pocket can also serve as a packing cube for clothing when you are not working.