Rukx Gear ATICT3DB: The Rukx Gear Tactical 3 Day Backpack is a grab and go bag optimized for mobility. Sleek and versatile form, with enough storage space so you can always keep your essentials at hand. 5 main storage areas containing multiple internal pockets and dividers to keep gear organized, premium back-relief panel for maximum comfort during extended use, reinforced webbing with heavy duty non-rust zippers and hydration-pack compatible. Approximate Capacity: 1,531 cubic inch.