American Outback Glacier Internal Frame Hiking Backpack 60 Liter hydration compatible backpack (bladder not included) . NOTE:The item DOES include a spot for a hydration bladder in the main compartment and slot to thread hydration tube but does NOT include the bladder itself 2 zippered accessory pockets Dual entry main compartment Detachable stowed rain cover Padded hip belt, ventilation air flow back panel and shoulder straps