EXCELLENT CONDITION - used once on short run (husband didn’t like it) Two extra-large stretch mesh soft flask/food harness pockets Two Hydraulics 360 mL Soft Flasks included Two lower stretch mesh food/supplement harness pockets Vertical zippered harness slash pocket for valuables or phone Snap-in adjustable/removable dual chest straps for customized stability Tuckaway safety whistle Large dual-entry stretch mesh rear pocket Speed & Stability - Designed for a close to body fit, Duro/Dyna provides bounce-free fit that's lightweight and stays out of the way of your running goals.