Great feature through the padded and moisture absorbent shoulder straps, with back panel and hip belt allowing for an extended carry comfort. This pack is water resistant through the Rainfly and it has it dedicated and can be expanded as a zipped check in duffel bag. Easy to lift with the bottom, side and top haul padde handles. Durable Bi Tech fabric on the bottom makes it easy to clean the pack when needed. Exterior compression straps help secure content on bag. Dedicted padded compartment sleeve on main pocket that fits up a 17" laptop. Split book opening, for easy packing. Central locking point help secure interior content. Front and side pockets for easy access to quick grab items. Unique self repairing lockable zippers.