The backpack made from durable 420 denier nylon stands up to regular use. With just under thirty liters of capacity, it comfortably holds not only your gear for a day of studying or work, but also, for example, your workout clothes. - Padded 34.2 x 26.6 cm computer pocket - Main material 420 denier Nylon, bottom reinforcement 1680 denier Nylon - Front pocket - Two bottle pockets - Internal organizer pockets - Detachable belt and chest strap - Reflective loop for led lights - Top lift handle - FlexVent carrying system