The Sixty Duffel backpack is a large backpack with one big main compartment. Within the main compartment you will find a padded pocket for room for a 15" laptop or documents. Convertible bag that works as a backpack and a duffel carrier, spacious main compartment with flat inside zipper pocket for valuables. EVA molded track back panel that provides airflow when worn on back, long side zipper pocket and side mesh zipper pocket. Attachment webbing loops on each side, padded carry handle. Air mesh padded shoulder straps with length adjustment and middle carry pad that gives a nice grab-and-go feature. Soft and flexible fabric.