The perfect accessory for keen walkers, joggers and runners is the triangular waist pak from Nathan. This one-size-fits-all item features a handy mesh pocket which can fit and store away smart phones and keys, as well a bottle holder, so a drink to quench your thirst is always at hand. Editors Note: Weight: 6.8 oz Storage Capacity: 11.5 cu in Bottle Volume: 22 oz / 650 ml