CamelBak Adult M.U.L.E. Mil Spec Antidote Hydration Backpack 100% Nylon Made in US Hydration capacity: 100 oz (3 L) Cargo Volume: 488.2 cup in (8 L) Total Volume: 671.2 cup in (11 L) Designed to carry goggles/nvg Depth : 3 inch