Perfect for the minimalist, CamelBaks ThermoBak 3-Liter Hydration Pack sports a hydration reservoir for quick excursions outdoors. Mil-spec Antidote reservoir boasts a 100-oz. capacity with Quick Link exit port for fast and simple refilling. HydroLock bite-valve adapter ensures no water overflows when youre done taking a sip. An extra-large fill port boasts a watertight lid that locks with a quarter turn and cant be overtightened. Pack is constructed of 500-denier Cordura-nylon ripstop with a 420-denier high-density nylon back panel, ensuring long life in almost any environment. Back panel has 5mm closed-cell foam. 135-denier polyester lining and nylon webbing. Quick-release shoulder straps. D-rings allow attachment to packs with MOLLE systems. Reservoir compartment is insulated with 5mm closed-cell foam. Integrated hook-and-loop patch to add nametags and unit badges. Backed by CamelBaks Got Your Bak lifetime guarantee. Imported. Size: 18 x 9.2 x 5. Color: Black. Gender: Unisex. Type: Hydration Packs.