Water resistant material and zippers. Large front pocket with organizer. Top front zippered pocket for quick access items such as pens, flash drives or sunglasses. Large main opening for carrying additional clothes or supplies. Dedicated laptop compartment with side zippered access. Padded rear shoulder straps and back with trolley sleeve. Sternum strap. Side water bottle pockets with zippered closures. Elevate accents. Main compartment capacity is approximately 14 litres.