Use the nylon fabric ,main material is soft and durable .
Two compartments ,The large back compartment for computer,2 days of clothing ,mutiple storage space, to meet the daily travel .The two-way zipper can pick up the things of the bag from multiple directions.
The front pocket for put Hard Disk, CD .
Both side mesh pocket for water bottles, umbrella etc ,save internal space
Comfortable padded mesh back panel for extra back support and keep the back cool .
Padded shoulder straps with fully adjustable sternum strap for added stability .Adjustable belt with big buckles and padded mesh side on belt for extra wrist support