Large load cargo capacity compartment with separate pockets to fit up to two 3L hydration bladders.  Contoured shoulder straps with D-Rings for equipment attachment.  Also has a sternum strap and waist belt.  External side compression straps.  Heavy-Duty carry and drag handle.  Two double zipper pulls on the main compartment for easy access.  Individual form pad back panel for extra comfort and maximum airflow.  Grommets on all compartments for drainage.