THIS ICONIC BACKPACK DOESN'T PLAY AROUND WHEN IT COMES TO PROTECTING AND ORGANIZING YOUR GEAR. WITH THE BUNGEE CORDS CRISSCROSSING THE FRONT OF THE PACK YOU CAN SECURE ADDITIONAL LAYERS OR EQUIPMENT TO KEEP THINGS ALWAYS ACCESSIBLE. FEATURES 600D POLYESTER, 450D X 300D HEATHER POLYESTER, 600D GEO EMBOSS POLYESTER, AND 1200D POLYESTER. INCLUDES FLEXVENT™ SUSPENSION SYSTEM, FLOATING PADDED LAPTOP SLEEVE IN MAIN COMPARTMENT, AND FRONT ELASTIC BUNGEE FOR EXTERIOR STORAGE. 19.75" H X 13.25" W X 7.5" D