Two main compartments for optimal space and organizationSingle mesh bottle pocket stretches to fit large bottlesDedicated 15 inch padded laptop compartment with zip closure100% recycled 600 denier polyester main body fabric is built to lastFront pocket with full organization panel and key clipTwo exterior zippered stash pockets for quick accessErgonomic S -curve shoulder strapsFully padded back panel for long wear comfortWebbing grab handle on topBackpack Liner Update: The color of internal liners may vary due to a transition to a darker color - The big news with Big Student is that it now features a dedicated 15in padded laptop compartment. You still get two large main compartments, front utility pocket with organizer, pleated front stash pocket, side water bottle pocket, ergonomic S-curve shoulder straps, fully padded back panel, and zippered front stash pocket keeps all your gear organized. Go Big or go home.