The latest in style and utility for your urban excursionsand thoughtful features make it useful on the trail, too. 600 denier ripstop polyester with contrasting poly for reinforcement Waist and chest straps for hiking, padded handle Interior padded laptop sleeve Organizer pocket MP3 player pocket with headphone exit port Laptop sleeve dimensions: 11.8'h x 11.6'w x 1.8'd Dimensions: 16'h x 18'w x 8'd; Approx. 2,304 cubic inches Backpacks not intended for use by children 12 and under.