600D polyester. Main zippered compartment with sleeve. Front zippered pocket. Adjustable, padded shoulder straps. Padded back panel. Accessory pocket. Audio port. Easy grab handles.   Dimensions: 17.75"h x 12.25"w x 5.25"d Volume: 1,142 cu. in./19 LLaptop sleeve: 12"h x 11.5"w, fits most 15" laptops