Features & Specs Personal item compliant on most airlines Padded nylon webbing grab handles at top, bottom, and side Stretch-mesh external water bottle pocket on one side Clamshell main compartment opening for easy packing Molded back panel for comfort Pass-through panel secures bag to rolling luggage handle Padded external laptop compartment, fits most 16" laptops Zippered expandable panel adds extra 2L of capacity: zip it back up to compress contents Contoured padded shoulder straps with detachable sternum strap and load lifters Heavy-duty YKK Zippers Vertical daisy chain webbing for attaching and organizing small gear items Materials:200D recycled nylon ripstop, 1000D recycled nylon, 210D recycled nylon liner, PFC-free DWR