All the great features of Jansport's Big Student Backpack, plus a sleeve for a 15-inch laptop and a synthetic leather base and trims. Go ahead, say it: Cool!Technical specifications:  capacity: 34 L dimensions: 43 x 33 x 25 cm (17.5 x 13 x 10 in) Features: ergonomic S-curve shoulder straps front utility pocket with organizer fully padded back panel pleated front stash pocket side water bottle pocket two large main compartments web haul handle 15-inch padded laptop compartment zip front stash pocket premium synthetic leather bottom and trims