The Big Student 34L backpack was built to offer premium storage space and quick organization, while having the classic JanSport style the company has built its reputation on. This pack is made of durable 600 denier polyester constructed to withstand daily commutes to the schoolyard, office, or campus gym. It features two large zipper accessed main compartments and has a side mesh water bottle pocket. There are two front organizer pockets, including a super convenient zippered front stash pocket for essential items. The Big Student features a fully padded back panel to guard against bumps from books and laptops and has super comfortable ergonomic S-curve shoulder straps.