Built for work and workouts with compartments for tunes, clothes and a laptop. 600D poly/420D dobby poly Two main compartments Fleece-lined top drop-in audio pocket with headphone exit port Dual-side zippered pockets Back panel side-entry laptop sleeve Organizer panel Laptop sleeve: 19'h x 11.5'w x 2'd; fits most 17' laptops Dimensions: 24'h x 14'w x 7'd Capacity: 2,350 cu.in./38.5L Weight: 2.6 lbs./1.2kg Backpacks not intended for use by children 12 and under.