The XD Design anti-theft backpack impresses with numerous security features. It is made from water-repellent, tear-resistant, and cut-resistant material and features hidden zippers and shock-absorbing, padded compartments. With its ergonomic carrying system, it offers optimal ventilation and weight distribution. Other great features include a spacious main compartment with an expansion option through a stretch fold at the top, a USB port for easy charging on the go, a rear trolley attachment function, a padded laptop compartment for laptops with a screen diagonal of up to approximately 39.5 cm (17 inches), zippered secret pockets on the back, and a retractable shoe compartment in the bottom pocket for transporting shoes.