Plug & Play Reservoir Tube Connector, PVC Reinforced Compression Straps, Reflective Tabs & Zipper Pulls, Internal Storage Compartments and Organizer, Eco Rig Back Pads, Air Drive Ventilation, Heavy Duty Nylon Pack Handle and Vertical attachment hoops.Plug & Play Reservoir Tube ConnectorPVC Reinforced Compression StrapsReflective Tabs & Zipper PullsInternal Storage Compartments and OrganizerEco Rig Back PadsWARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.p65warnings.ca.gov