Carry everything you need for your next training run or race with the Nathan Marathon Pak 2.0. This lightweight pack has various pockets for storing everything on the go, including a larger zippered pocket that fits most phones. There are also energy gel loops and a place to stash the trash, so you are race-day ready. This new version contains an external stow away loop that allows you to store a shirt or towel. Plus, Nathan designed it with reflective details for extra visibility in low light conditions. Whether you are going for a run or traveling, the Nathan Marathon Pak 2.0 is a perfect waistpack to carry all your essentials.