1,680D ballistic polyester (solid); 300D two-tone poly/1,680D polyester (heather); Spacious main compartment; Dedicated zippered laptop compartment; Front zippered pocket with extensive organization panel; Tricot-lined valuables pocket; Air mesh shoulder straps; Side mesh pocket; Tech nylon zipper pulls; Padded mesh luggage trolley pass through on back; Laptop sleeve dimensions: 17"h x 13"w; Dimensions: 18.75"h x 14.5"w x 8.75"d; Approx. 2,379 cubic inches; Note: Bags not intended for use by children 12 and under.