The everyday companion for shopping, school, etc. With quick-release system. Outer and inner compartments with zippers, side pockets, separate inner compartment for valuables and adjustable shoulder straps with integrated smartphone pocket. No sweaty back while cycling! The adapter plate (not included) provides an angled position that gives the cyclist more space on the saddle. The plate does not cause discomfort when the bag is on your back. No sweaty back Can be used in combination with adapter plate With separate smartphone compartment