Serious features in a seriously lightweight package. Tipping the scales at a mere two pounds the Cirque 30 delivers a generous 30 liters of main-compartment capacity along with a host of extras like a hydration-ready design with an internal reservoir sleeve soft-lashing hardware for ice axes and hiking poles a strap-mounted media pocket and much more. 30-liter panel-load main compartment. Large zippered front pocket with inner mesh divider to keep contents separate. Protective storm flaps cover zippers. Padded backpack straps with adjustable load-lifters and Vapel mesh Airflow. Molded foam back panel with Airflow channels to keep your back cool and dry. Adjustable waist belt with VAPEL mesh Airflow padding wicks moisture. Webbing daisy chain to attach extra gear. Side compression straps help secure gear. Internal hydration reservoir sleeve and center exit port for tube (reservoir not included). Removable media pocket is attached to backpack strap. Adjustable sternum strap helps stabilize pack. Soft lashing hardware holds ice ax/hiking poles. Dual mesh side pockets hold 1000ml water bottles. Size: 21.5 x 12.75 x 9.0 . Colors: Black. Capacity: 1830.0 cubic inches. Materials: Grid-Weave Duralite Mini-Weave Duralite Duraweave (bottom). Includes:. Hydration Reservoir Compatible. Vapel Mesh. Removable Media Pocket. Hydration Port. Airflow Cooled Back. Adjustable Sternum Strap System. Adjustable Load-Lifters.