The Hydration XL 1.5, as the name suggests it has a 1.5 l hydration bladder & can hold up to 20 l of cargo! The lightweight harness system is fully adjustable across the chest & around the waist that ensures a rock-solid fit, with Airline back ventilation that helps keep airflow between the bag & your back, sweat is kept to a minimum. We use a vertical Hydra Pak high-flow bladder with an auto shut-off bite valve, feed tube routing can be either over the shoulder or under the arm. If you’re looking for impact protection for your back, there is an option to purchase a impact tested & certified insert, a handy Hi-Viz rain cover is included should the heavens open to keep the bag dry. Features 1.5 l Hydration & 20 l Cargo Unique lightweight adjustable harness for a rock solid fit Dual hydration tube for two-way routing – over the shoulder or the under arm Optimal Air Line back ventilation Auto shut-off bladder bite valve Magnetic tube catcher can be positioned on left or right harn...