This is a water resistant softback 600D polyester heavy duty backpack with a 21-D/PU inner lining and a detachable waist belt pouch. The backpack features two side pockets, one large front pocket, and one pocket on the waist belt pouch. Shoulder straps, waist belt, and back of bag are very well padded for long-term comfort. There is also a heavy duty rubber handle at the top of the backpack.