Hydration Capacity: 100 oz (3 L) Total Capacity: 763 cu in (12.5 L) CamelBak® Got Your Bak™ Guarantee: If we built it, we'll Bak it™ with our lifetime guarantee. Reservoir 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. BACK PANEL: Air Director™. BELT: Removable 1 in / 25 mm stability. Additional Features: XC helmet carry, Media pocket, Stash pocket. Designed to Carry: XC Helmet, Pump, Spare tube, Extra layer, Lunch, Phone, Wallet, Keys.