Coming as a 15l capacious choice the trespass slake hydration running backpack features one large main compartment for all the significant equipment and a front zipper pocket allowing you to keep accessories and small items in one place to ensure proper hydration during training schedules the backpack includes a 2 litre water reservoir with convenient bite valve with lock to eliminate any accidental leakage the rucksack is comfortable to run with due to a back padding and an adjustable shou