Multi compartments with SBS zipper pull cords 3 front pockets, 2 side zippered pockets,1 main compartment, 1 rear compartment with pistol holster. The shoulder pack can hold 2 large boxes in each side pocket. A small box in the front pocket. The big center area can contain your ear protection and 2 holsters.
https://www.amazon.com/G4Free-Tactical-Military-Shoulder-Backpack/dp/B07JG8CYJD