It is a very light daypack bags, use oxford material, and convenient with wet compartment design, available to put wet towel or clothes when go out for travel, gym sport or swimming. And the independent shoes compartment allow to put one more shoes, and do the separation with clean clothes, books or other stuff. Widened shoulder strap make the users' shoulder more comfortable. Excellent quality on smooth zipper, adjustable shoulder strap, reinforcement on necessary parts...