Ideal when you think that you don't need a trail running bag, this built-in storage waistband can be used to carry your essentials. At the front, there is an internal pocket covered with a mesh pocket. You can put your phone in the first pocket and a 250 mL water bottle in the second. The large rear pocket, which is also zipped, can also carry a 250 mL water bottle. Finally, in the 4 side mesh pockets, you can store your gels, bars, tissues, etc.