CamelBak Ambush 3L Mil Spec Crux Hydration Pack - Designed for the USMC, this low-profile pack features the Crux Short 3L Reservoir, offering a low stack height and optimum fit on a broad range of torso sizes. External fill means you can rapidly add water without having to remove the reservoir or tube from the pack. With 3L of cargo in the lower zip pocket and top fill flap, you can take along your small essentials while staying light and maneuverable. Features External fill for rapid refill without having to remove reservoir from pack Uses 500D Double-rip Cordura Fabric for the ultimate combination of strength and durability Top and bottom external zip pockets hold your essentials Low-profile Mountain MOLLE on bottom pocket Side-release shoulder straps for rapid removal Side zippers allows easy access to the reservoir fill port D-Rings for tube management Lightweight webbing harness Adjustable sternum strap Hook-and-loop strap management Add or remove name tags and unit badges quickly with integrated hook-and-loop panel Ergonomic webbing grab handle Drain hole on hydration compartment