Use it every day for work for me it is just sufficient so. He is very well made and can be super bear! However, I imagined less than 13 liters more volume. A 1.5-liter bottle fits in height in just so and then you have very little space for various small stuff! In the cell phone pocket I had have done me no hope of beginning a note 3 that does not fit. (Max. Size> Galaxy S2)
