3 sizes available in this design (Small, Medium and Large) Extra Large also available in different style.
Note extra compartment in back section of Large backpack.
All sizes of this style of back pack feature mesh pockets on one side and zip pockets on the other side.
Medium Backpack shown with accessories - to give an indication of relative size . Adjustable tripod holder.
Base pocket of medium backpack. Enough space for DSLR and accessories.