CamelBak HAWG NVCamelBak® Got Your Bak™ Guarantee: If we built it, we'll Bak it™ with our lifetime guarantee. Includes the new Antidote™ Reservoir with Quick Link™ System—the ultimate cure for dehydration. Antidote features: Quick Link™ System, quick-seal cap, lightweight fillport, dryer arms, center baffling and low-profile design, patented Big Bite™ Valve, HydroGuard™ technology, PureFlow™ tube, easy-to-clean wide-mouth opening.