The "PORTER UNIT" series uses original Cordura ballistic nylon fabric and has a casual, chic military feel. In addition to the simple design, all parts such as the zipper are finished in a matte color that matches the outer fabric, and the entire bag is designed in one tone to create a calm atmosphere. The main material is Cordura ballistic nylon, which is durable and has excellent tear and friction resistance, and is the first original fabric in the history of CORDURA to be finished with a twill weave.