Airback or Airbac Backpack NWT

This pack has a bladder at the lower back in case in a mesh compartment that can be inflated with a pin. This and the upper pads at the back help to distribute the weight inside the pack, making it feel lighter. It has very padded shoulder straps and mesh compartments on the sides for water bottles. It has two zippered compartments with lots of inside compartments of different sizes.