The Backpack Men 15.6 Inch Large Capacity backpack is made of high-quality polyester material. It has a large capacity of 36-55 liters. There are two main storage compartments for your belongings. They are very practical and easy to save different things separately. This backpack has many pockets, which can hold all necessary daily components. The back is designed in a physiological curve shape for your better carrying experience. A rain cover will protect the entire bag if it rains while carrying it, while also protecting it from water damage, keeping everything dry inside. This backpack uses the latest technology to make sure you get the best performance possible.