All the great features of our Big Student, plus a sleeve for a 15 inch laptop and synthetic leather base & trim. Go ahead, say it: That's cool. Features: -Extra large capacity with two spacious main compartments -Internal sleeve designed to fit a 15 inch laptop -100% recycled 600D polyester main body with durable synthetic leather base and trim -Ergonomic S-curve shoulder straps for added comfort -Fully padded back panel for long wear comfort -Front pocket with full organization panel and key clip -Side bottle pocket stretches to fit large bottles -Two exterior zippered stash pockets for quick access -Webbing grab handle on top -Zipper pulls with cord tabs for easy grab access -Signature JS™ stamped metal zipper pull -Internal liner color may vary due to transition to a darker liner color -Capacity: 34 L -Dimensions: 17 x 12 x 8 in / 43.5 x 31 x 20.5 cm -Laptop sleeve dimensions: 15.7 x 12 in / 40 x 31 cm -Weight: 1 lb 5 oz / 0.6 kg Composition: -100% recycled 600D polyester -Synthetic leather base and trim