600D poly canvas; 360D poly twisted twill canvas
Large main compartment
Back dedicated padded laptop compartment
Front dedicated organization pocket
Side mesh pocket
Metal zipper pulls
Air mesh padded back and shoulder straps 
Luggage trolley pass through on back
Laptop sleeve dimensions: 18.75"h x 14.75"w; fits most 15" laptops
Dimensions: 18.75"h x 11.25"w x 4.75"d; Approx. 1,002 cubic inches