Rucksack bags, commonly referred to as rucksacks or backpacks, are durable and versatile bags designed for carrying belongings on the back. Originally used by the military, rucksacks have evolved to become popular among hikers, adventurers, and travelers who require a rugged and reliable bag for outdoor activities.

The design of a rucksack bag typically includes two adjustable shoulder straps that evenly distribute the weight across the shoulders and back. These straps are often padded for enhanced comfort during extended wear. Rucksacks may also have a sternum strap and hip belt to provide additional support and stability, especially when carrying heavy loads.

The main feature of a rucksack bag is its large main compartment, which offers ample storage space for gear, clothing, food, and other essentials. The spacious interior allows for efficient packing and organization. Many rucksacks also include multiple pockets, compartments, and attachment points on the exterior to store smaller items, such as water bottles, maps, or camping equipment, for easy accessibility.