Beyond a backpack, the Epic is a tech organizer with ingenious compartments and sleeves for gadgets, laptop, cords and more. The Epic is made from 1,680-denier ballistic poly/1,200-denier poly. It features side-entry padded laptop protection system with file dividers and pencil sleeves, ultra-padded air mesh back panel with ventilation channels, sliding sternum strap, front strap cell phone/digital media device pocket, top neoprene grab handle, large main compartment, two fleece-lined digital media pockets with weatherproof zippers, large drop-in fleece-lined valuables pocket, two side insulated water bottle sleeves with leak ports, deluxe organizer panel, airline ticket and magazine sleeves, power cord and other laptop accessory storage. Dimensions: 20"h x 13.5"w x 11"d; 2,500 cubic inches. Laptop sleeve: 16.5"h x 11"w x 2"d to fit most 17" laptops