You can quickly get what you need from the front pocket.
52x1. *Fit For More People: This lightweight running backpack has adjustable straps in the waist and chest area which can be modified to fit different figures.19in Item Weight: 173g/0.38 pounds INOXTO Hydration Pack Sports Hydration Vest Running Backpack Water Bladder Bag Black Fabric/Material: 90% Polyamide+10% Polyurethane Polyester Mesh Fabric PEVA(Water Bladder) PVC(Water Tube) Dimensions: 0.