This backpack from Maxpedition Hard Use Gear is designed to carry a large amount of gear. The backpack can be worn over your shoulders and comes with optional waist and chest straps to help balance the weight. There are multiple pockets, including one for carrying a concealed firearm.

Specifications and Features:
2810 cubic inches (46 liters) of carry capacity
Three compartments equipped with YKK #10 zippers and paracord knot pulls
Comfortable back padding
Supple curvaceous straps