600D polyester. Main zippered compartment with a padded sleeve. Secondary zippered compartment. Front zippered pockets. Dual side mesh pockets. Ergonomic adjustable, padded shoulder straps. Padded back panel. Organizational panel. Accessory pocket. Easy grab handles.   Dimensions: 17.75"h x 11.5"w x 8.5"d Volume: 1,735 cu. in./28 LLaptop sleeve: 12.5"h x 11"w x 1"d, fits most 17" laptops