Having your backpack made by a brand that understands your lifestyle has its advantages. For instance- getting one thats going to hold up, no matter how many times you ditch it on the rocks during a detours coming home from school. In addition to that sturdiness, its got perks like a soft MP3 pocket on top, bottle pockets for tasty beverages, and a zippered cooler pouch in the middle. Pack this bag in the morning, and for the rest of the day youll be mobile impromptu party, just waiting to happen. Streamlined body design. Two zippered storage pockets. Zippered cooler pocket in middle. Exterior-access soft MP3 pocket. Adjustable ergonomic straps. Bottle pockets at each side. Covered grab loop at top. Tough outer construction. Rubber coated base. Approx.18"H x 11.5"W, and 8" deep.