rucksack

A backpack is a type of bag designed to be worn on the back, secured with two adjustable shoulder straps. It typically features a main compartment for carrying items, often with additional pockets or compartments for organization. Backpacks come in various sizes and designs, from compact daypacks to larger, more specialized models for travel or hiking. They are made from a range of materials, including durable fabrics like nylon or canvas, and are valued for their practicality and comfort, allowing for hands-free carrying and even weight distribution.